By-elections to the 44th Canadian Parliament#Elmwood—Transcona

{{Infobox election|

| election_name = By-elections to the 44th Canadian Parliament

| country = Canada

| flag_year =

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| type = parliamentary

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| previous_election = By-elections to the 43rd Canadian Parliament

| previous_year = 2019–2021

| next_election = By-elections to the 45th Canadian Parliament

| next_year = 2025–present

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By-elections to the 44th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 2021 federal election and the 2025 federal election. The 44th Canadian Parliament began in 2021 with the membership of its House of Commons having been determined by the results of the 44th Canadian federal election held on September 20, 2021. The Liberal Party of Canada had a minority government during this Parliament, supported by the New Democratic Party in a (2022 to 2024) confidence-and-supply agreement.{{Cite news |date=2022-03-22 |title=Q&A: The NDP and Liberals have a confidence and supply agreement. So what is it? |language=en-CA |work=The Toronto Star |url=https://www.thestar.com/politics/2022/03/22/qa-the-ndp-and-liberals-have-a-confidence-and-supply-agreement-so-what-is-it.html |access-date=2022-05-19 |issn=0319-0781}} The Conservative Party of Canada forms the Official Opposition.

Eleven by-elections were held during the 44th Parliament. They took place in the following electoral districts:

Mississauga—Lakeshore, following the resignation of Liberal MP Sven Spengemann to take on a role at the United Nations on May 27, 2022.{{cite web |title=Liberal MP Sven Spengemann to resign from GTA seat almost eight months after re-election|last=Tumilty|first=Ryan |url= https://montrealgazette.com/news/politics/liberal-mp-announces-resignation-from-gta-seat-to-take-un-job|work=Montreal Gazette|access-date= May 18, 2022|date= May 18, 2022}}
Winnipeg South Centre, left vacant following the death of Liberal MP Jim Carr on December 12, 2022.{{cite web|title=Liberal MP and former cabinet minister Jim Carr dies|last=Aiello|first=Rachel|url=https://www.ctvnews.ca/politics/former-cabinet-minister-and-liberal-mp-jim-carr-dies-1.6191331|work=CTV News|access-date=December 12, 2022|date=December 12, 2022}}
Oxford, following the resignation of Conservative MP Dave MacKenzie on January 28, 2023.{{Cite web |title=Dave MacKenzie Announces Retirement Plans |url=https://www.heartfm.ca/news/local-news/dave-mackenzie-announces-retirement-plans/ |access-date=2022-12-15 |website=104.7 Heart FM |language=en}}
Portage—Lisgar, following the resignation of Conservative MP Candice Bergen on February 28, 2023.{{Cite news|first=Carol|last=Sanders|title=Former PC staffer plans to take run at Portage-Lisgar seat|url=https://www.winnipegfreepress.com/breakingnews/2023/01/23/former-pc-staffer-plans-to-take-run-at-portage-lisgar-seat|access-date=January 26, 2023|date=January 24, 2023|work=The Winnipeg Free Press|language=en}}{{cite web| url=https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=17262| title=Profile – Bergen, Candice| website=Library of Parliament| access-date=March 2, 2023}}
Notre-Dame-de-Grâce—Westmount, following the resignation of Liberal MP Marc Garneau on March 8, 2023.{{cite web|title=Former cabinet minister Marc Garneau resigning from House of Commons|last=Raycraft|first=Richard|url=https://www.cbc.ca/news/politics/marc-garneau-resigning-1.6771673|work=CBC News|access-date=March 8, 2023|date=March 8, 2023}}
Calgary Heritage, following the resignation of Conservative MP Bob Benzen on December 31, 2022, to return to the private sector.{{cite web|title=Conservative MP announces intention to step away from politics|url=https://www.cbc.ca/news/politics/bob-benzen-resigning-seat-1.6624333|work=CBC News|access-date=October 21, 2022|date=October 20, 2022}}
Durham, following Conservative MP Erin O'Toole's resignation on August 1, 2023.{{cite web|title=Erin O'Toole, former Conservative leader, leaving politics: "Honour of a lifetime"|last=D'Andrea|first=Aaron|url=https://globalnews.ca/news/9592633/erin-otoole-resigns-leaves-politics/|work=Global News|access-date=April 1, 2023|date=March 31, 2023}}
Toronto—St. Paul's, following Liberal MP Carolyn Bennett's resignation on January 16, 2024.{{Cite news|last=Rabson|first=Mia|date=December 12, 2023|title=Carolyn Bennett stepping down as Liberal MP for Toronto-St. Paul's after 26 years|work=The Canadian Press|url=https://www.cbc.ca/news/politics/carolyn-bennett-retiring-1.7057279|access-date=December 22, 2023}}
LaSalle—Émard—Verdun, following the resignation of Liberal MP David Lametti on February 1, 2024.
Elmwood—Transcona, following the resignation of New Democratic MP Daniel Blaikie on March 31, 2024.
Cloverdale—Langley City, following the resignation of Liberal MP John Aldag on May 27, 2024.

A by-election was called in the following electoral district, but was cancelled due to the 2025 Canadian federal election being called:

Halifax, following the resignation of Liberal MP Andy Fillmore on August 31, 2024.{{Cite tweet |number=1829922313820643708 |user=AndyFillmoreHFX |title=[...] After nearly nine years, today is officially my last day as the Member of Parliament for Halifax. [...] |date=2024-08-31 |access-date=2024-09-03 |author=Andy Fillmore 🇨🇦}} The writ of election was dropped on March 2nd and Election Day would have been April 14, 2025, but a federal election was called before then.{{cite web |title=Prime minister sets April date for byelection in Halifax riding |last=Sampson |first=Andrew |url=https://www.cbc.ca/news/canada/nova-scotia/prime-minister-sets-april-date-for-byelection-in-halifax-riding-1.7472552 |work=CBC News |access-date=March 2, 2025 |date=March 2, 2025}}

Under the Parliament of Canada Act, no byelection is held if the vacancy occurs within 9 months of the fixed date for the next general election.{{Cite web |last= |first= |title=The Calling of a Federal By-election |url=https://www.elections.ca/content.aspx?section=vot&dir=bkg&document=ec90700&lang=e |archive-url=http://web.archive.org/web/20240809101949/https://www.elections.ca/content.aspx?section=vot&dir=bkg&document=ec90700&lang=e |archive-date=2024-08-09 |access-date=2025-02-09 |website=Elections Canada |language=en}} The following seats became vacant in the nine-month period prior to the fixed election date of October 20, 2025 and remained vacant until Parliament was dissolved on March 23, 2025:

Honoré-Mercier, following the resignation of Independent MP Pablo Rodriguez on January 20, 2025.
Esquimalt—Saanich—Sooke, following the resignation of New Democratic MP Randall Garrison on January 30, 2025.
Eglinton—Lawrence, following the resignation of Liberal MP Marco Mendicino on March 14, 2025.

Summary

rowspan="2" colspan="3" \|Riding and winning party ! colspan="4" \|Turnout ! colspan="4" \|Vote share for winning candidate
class="wikitable" style="text-align:right" \|+ Analysis of byelections by turnout and vote share for winning candidate (vs 2021)
% ! colspan="3" \| Change (pp) ! % ! colspan="3" \| Change (pp)
style="text-align:left"\|Mississauga—Lakeshore \| style="text-align:left"\|{{Canadian party colour\|CA\|Liberal\|colour&name}} \| style="text-align:left"\|Hold \| 27.76 \| {{bartable
36.03\|
2\|1em\|background:red}} \| 51.45 \| {{bartable\|6.50\|
2\|1em\|background:#EA6D6A}}
style="text-align:left"\|Winnipeg South Centre \| style="text-align:left"\|{{Canadian party colour\|CA\|Liberal\|colour&name}} \| style="text-align:left"\|Hold \| 36.82 \| {{bartable
32.79\|
2\|1em\|background:red}} \| 55.49 \| {{bartable\|9.94\|
2\|1em\|background:#EA6D6A}}
style="text-align:left"\|Oxford \| style="text-align:left"\|{{Canadian party colour\|CA\|Conservative\|colour&name}} \| style="text-align:left"\|Hold \| 39.81 \| {{bartable
25.08\|
2\|1em\|background:red}} \| 42.92 \| {{bartable
4.13\|
2\|1em\|background:#6495ED}}
style="text-align:left"\|Portage—Lisgar \| style="text-align:left"\|{{Canadian party colour\|CA\|Conservative\|colour&name}} \| style="text-align:left"\|Hold \| 45.47 \| {{bartable
20.27\|
2\|1em\|background:red}} \| 64.95 \| {{bartable\|12.43\|
2\|1em\|background:#6495ED}}
style="text-align:left"\|Notre-Dame-de-Grâce—Westmount \| style="text-align:left"\|{{Canadian party colour\|CA\|Liberal\|colour&name}} \| style="text-align:left"\|Hold \| 29.93 \| {{bartable
32.63\|
2\|1em\|background:red}} \| 50.87 \| {{bartable
2.90\|
2\|1em\|background:#EA6D6A}}
style="text-align:left"\|Calgary Heritage \| style="text-align:left"\|{{Canadian party colour\|CA\|Conservative\|colour&name}} \| style="text-align:left"\|Hold \| 28.89 \| {{bartable
37.00\|
2\|1em\|background:red}} \| 65.63 \| {{bartable\|7.98\|
2\|1em\|background:#6495ED}}
style="text-align:left"\|Durham \| style="text-align:left"\|{{Canadian party colour\|CA\|Conservative\|colour&name}} \| style="text-align:left"\|Hold \| 27.97 \| {{bartable
33.32\|
2\|1em\|background:red}} \| 57.44 \| {{bartable\|11.04\|
2\|1em\|background:#6495ED}}
style="text-align:left"\|Toronto—St. Paul's \| style="text-align:left"\|{{Canadian party colour\|CA\|Conservative\|colour&name}} \| style="text-align:left"\|Gain \| 43.52 \| {{bartable
21.96\|
2\|1em\|background:red}} \| 42.11 \| {{bartable\|16.81\|
2\|1em\|background:#6495ED}}
style="text-align:left"\|LaSalle—Émard—Verdun \| style="text-align:left"\|{{Canadian party colour\|CA\|BQ\|colour&name}} \| style="text-align:left"\|Gain \| 39.56 \| {{bartable
20.94\|
2\|1em\|background:red}} \| 28.02 \| {{bartable\|5.93\|
2\|1em\|background:#87CEFA}}
style="text-align:left"\|Elmwood—Transcona \| style="text-align:left"\|{{Canadian party colour\|CA\|NDP\|colour&name}} \| style="text-align:left"\|Hold \| 39.16 \| {{bartable
20.46\|
2\|1em\|background:red}} \| 48.18 \| {{bartable
1.51\|
2\|1em\|background:#F4A460}}
style="text-align:left"\|Cloverdale—Langley City \| style="text-align:left"\|{{Canadian party colour\|CA\|Conservative\|colour&name}} \| style="text-align:left"\|Gain \| 16.27 \| {{bartable
44.58\|
2\|1em\|background:red}} \| 66.30 \| {{bartable\|30.20\|
2\|1em\|background:#6495ED}}

Overview

class="wikitable"

!Electoral district

!Date vacated

!Date writ issued

!By-election date

!Previous incumbent

! colspan="2" |Party

!Cause

!Winner

! colspan="2" |Party

!Retained

Mississauga—Lakeshore

|{{start date|2022|05|27}}

|{{start date|2022|11|06}}

|{{start date|2022|12|12}}

|Sven Spengemann

| {{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Resigned to accept a position with the United Nations

|{{nowrap|Charles Sousa}}

| {{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Yes

Winnipeg South Centre

|{{start date|2022|12|12}}

|{{start date|2023|05|14}}

|{{start date|2023|06|19}}

|Jim Carr

| {{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Death (multiple myeloma and kidney failure)

|{{nowrap|Ben Carr}}

|{{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Yes

Oxford

|{{start date|2023|01|28}}

|{{start date|2023|05|14}}

|{{start date|2023|06|19}}

|Dave MacKenzie

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

|Retirement

|{{nowrap|Arpan Khanna}}

|{{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

|Yes

Portage—Lisgar

|{{start date|2023|02|28}}

|{{start date|2023|05|14}}

|{{start date|2023|06|19}}

|Candice Bergen

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

|Resignation

|{{nowrap|Branden Leslie}}

|{{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

|Yes

Notre-Dame-de-Grâce—Westmount

|{{start date|2023|03|08}}

|{{start date|2023|05|14}}{{cite web|url=https://www.elections.ca/content.aspx?section=med&dir=pre&document=may1423&lang=e|title=Federal By-elections Now Under Way|author=Elections Canada|date=May 14, 2023|access-date=May 14, 2023}}

|{{start date|2023|06|19}}

|Marc Garneau

| {{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Retirement

|{{nowrap|Anna Gainey}}

|{{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Yes

Calgary Heritage

|{{start date|2022|12|31}}

|{{start date|2023|06|18}}{{cite web | url=https://www.pm.gc.ca/en/news/news-releases/2023/06/18/prime-minister-announces-election-calgary-heritage | title=Prime Minister announces by-election in Calgary Heritage | date=16 June 2023}}

|{{start date|2023|07|24}}

|Bob Benzen

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

|Resigned to return to the private sector

|{{nowrap|Shuvaloy Majumdar}}

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

| Yes

Durham

|{{start date|2023|08|01}}

|{{start date|2024|01|28}}

|{{start date|2024|03|04}}

|Erin O'Toole

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

|Resignation

|{{nowrap|Jamil Jivani}}

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

| Yes

Toronto—St. Paul's

|{{start date|2024|01|16}}

|{{start date|2024|05|19}}{{cite web |title=Federal By-election Now Under Way in Toronto–St. Paul's|url=https://www.elections.ca/content.aspx?section=med&dir=pre&document=may1924&lang=e|author=Elections Canada|date=19 May 2024|access-date=19 May 2024}}

|{{start date|2024|06|24}}

|Carolyn Bennett

| {{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Resigned to accept appointment as Ambassador to Denmark

|{{nowrap|Don Stewart}}

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

| No

LaSalle—Émard—Verdun

|{{start date|2024|02|01}}

|{{start date|2024|07|28}}{{cite news |title=Trudeau announces dates for Manitoba and Quebec byelections |url=https://www.ctvnews.ca/politics/trudeau-announces-dates-for-manitoba-and-quebec-byelections-1.6980538 |access-date=July 28, 2024 |work=CTV News |date=July 28, 2024}}

|{{start date|2024|09|16}}

|David Lametti

| {{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Resigned to join law firm

|Louis-Philippe Sauvé

|{{Canadian party colour|CA|BQ|background}} |

|{{Canadian party colour|CA|BQ|name|short}}

|No

Elmwood—Transcona

|{{start date|2024|03|31}}

|{{start date|2024|07|28}}

|{{start date|2024|09|16}}

|Daniel Blaikie

| {{Canadian party colour|CA|NDP|background}} |

|{{Canadian party colour|CA|NDP|name|short}}

|Resigned to work in Premier of Manitoba Wab Kinew's office

|Leila Dance

|{{Canadian party colour|CA|NDP|background}} |

|{{Canadian party colour|CA|NDP|name|short}}

|Yes

Cloverdale—Langley City

|{{start date|2024|05|27}}

|November 10, 2024{{cite web|url=https://www.cbc.ca/news/canada/british-columbia/federal-byelection-cloverdale-langley-city-1.7379893|title=Federal byelection called in B.C.'s Cloverdale-Langley City riding|author=CBC News|date=November 10, 2024|access-date=November 10, 2024}}

|December 16, 2024

|John Aldag

| {{Canadian party colour|CA|Liberal|background}} |

|{{Canadian party colour|CA|Liberal|name|short}}

|Resigned to run as the BC NDP candidate for Langley-Abbotsford in the 2024 British Columbia general election.

|{{nowrap|Tamara Jansen}}

| {{Canadian party colour|CA|Conservative|background}} |

|{{Canadian party colour|CA|Conservative|name|short}}

| No

December 12, 2022 by-election

=Mississauga—Lakeshore=

The riding of Mississauga—Lakeshore was vacated on May 27, 2022, following the resignation of Liberal MP Sven Spengemann to accept a position with the United Nations. Spengemann had represented the riding since 2015, when he defeated Conservative incumbent Stella Ambler.

Running for the Liberals was former MPP Charles Sousa, who represented the area provincially from 2007 to 2018 and previously served in the provincial cabinets of Dalton McGuinty and Kathleen Wynne, including as Minister of Finance from 2013 to 2018.{{cite web|title=Former Ontario finance minister Sousa not ruling out run for federal Liberal nomination in coveted Mississauga-Lakeshore riding|last=Rana|first=Abbas|url=https://www.hilltimes.com/2022/06/03/former-ontario-finance-minister-sousa-not-ruling-out-run-for-federal-liberal-nomination-in-coveted-mississauga-lakeshore-riding/365491|work=The Hill Times|access-date=June 3, 2022|date=June 3, 2022}}{{cite web|title='High stakes' byelection in Mississauga-Lakeshore considered 'first battle of the next general election campaign,' say political insiders|last=Rana|first=Abbas|url=https://www.hilltimes.com/2022/10/17/high-stakes-byelection-in-mississauga-lakeshore-considered-first-battle-of-the-next-general-election-campaign-say-political-insiders/388002|work=The Hill Times|access-date=October 18, 2022|date=October 17, 2022}}{{Cite web |last=Callan|first=Isaac|date=November 5, 2022|title=Former Ontario finance minister Charles Sousa set to run in federal byelection|url=https://globalnews.ca/news/9255533/mississauga-lakeshore-byelection-charles-sousa/|access-date=November 5, 2022|website=Global News|language=en-CA}} Alex Crombie, a former Queen's Park staffer and son of Mississauga mayor Bonnie Crombie, was seen as a potential candidate prior to Sousa's nomination.{{Cite web|last=Rana|first=Abbas|date=October 31, 2022|title=Alex Crombie could seek Liberal nomination for byelection in Mississauga-Lakeshore |url=https://www.hilltimes.com/2022/10/31/alex-crombie-could-seek-liberal-nomination-for-byelection-in-mississauga-lakeshore/390335 |access-date=October 31, 2022|website=The Hill Times |language=en-CA}}

Running for the Conservatives was Ron Chhinzer, a police officer. Michael Ras, who finished second to Spengemann in 2021, considered running for the nomination before declining.

The NDP nominated Julia Cole, who ran for the seat's provincial counterpart in the provincial election earlier in the year, while running for the Greens was Mary Kidnew, a past president of the Hillcrest Ratepayers Association.{{cite web|title='NDP and Green Party announce candidates for upcoming Mississauga federal byelection|last=Cornwell|first=Steven|url=https://www.mississauga.com/news-story/10694769-ndp-and-green-party-announce-candidates-for-upcoming-mississauga-federal-byelection/|work=Mississauga News|access-date=October 18, 2022|date=August 20, 2022}}

Rhinoceros Party leader Sébastien CoRhino contested the by-election.{{cite web |author1=Sébastien CoRhino |title=Done deal. Next thing: I'll win this election. Get ready Mississauga!!!! |url=https://www.facebook.com/CoRhino/posts/pfbid022HkJevzhccBJpmBPGuwM9bYfHzV7GyfGe6mpvn3M8PyJBzdzDYLLJLZatPxUKJsnl |website=Facebook |access-date=November 13, 2022 |date=November 9, 2022}} As well, the Rhinoceros Party organized a protest against the Trudeau government's abandonment of electoral reform in 2017 by running thirty-two{{citation needed|date=December 2022|reason=2022 Mississauga—Lakeshore federal by-election article notes 33 independents associated with the Rhino Party candidate.}} independent candidates, breaking their own record for most candidates nominated in a single riding in Canada, previously set in the riding of Saint Boniface—Saint Vital in the 2021 Canadian federal election.{{cite web |author1=Patrick Cain |title=Mississauga-Lakeshore byelection will have at least 40 candidates, a national record |url=https://www.ipolitics.ca/news/mississauga-lakeshore-byelection-will-have-at-least-40-candidates-a-national-record |website=ipolitics.ca |access-date=November 24, 2022 |date=November 22, 2022}}

==Polling==

class="wikitable sortable" style="text-align:center;font-size:90%;line-height:14px;"

style="background:#e9e9e9;"

! style="width:120px"|Polling Firm

! style="width:110px"|Last Date
of Polling

! style="width:60px" class="unsortable"|Link

! style="background-color:{{Canadian party colour|CA|Liberal}}; width:45px;" align="center"| Liberal

! style="background-color:{{Canadian party colour|CA|Conservative}}; width:45px;" align="center"| Cons.

! style="background-color:{{Canadian party colour|CA|NDP}}; width:45px;" align="center"| NDP

! style="background-color:{{Canadian party colour|CA|Green}}; width:45px;" align="center"| Green

! style="background-color:{{Canadian party colour|CA|PPC}}; width:45px;" align="center"| PPC

! style="background-color:{{Canadian party colour|CA|Independent}}; width:45px;" align="center"| Others

! style="background-color:{{Canadian party colour|CA|Independent}}; width:45px;" align="center"| Undecided

! style="width:60px;" class=unsortable |Margin
of Error{{ref label|MOE|1|1}}

! style="width:50px;" class=unsortable |Sample
Size{{ref label|sample|2|2}}

! class=unsortable |Polling Method{{ref label|method|3|3}}

Mainstreet Research

[https://old.ipolitics.ca/wp-content/uploads/2022/10/Mississauga_Lakeshore_By_Election_Oct_2022.pdf PDF]

{{Party shading/Liberal}}| 38.6

35.5

6.0

4.1

1.1

1.5

13.2

±4.3 pp

521

IVR

June 19, 2023 by-elections

=Winnipeg South Centre=

The riding of Winnipeg South Centre was vacated on December 12, 2022, following the death of Liberal MP and former cabinet minister Jim Carr. Carr had represented the riding since 2015, when he defeated Conservative incumbent Joyce Bateman, and had been battling multiple myeloma and kidney failure since 2019. Carr also defeated Bateman in rematches in 2019 and 2021.

Running for the Liberals is Carr's son Ben Carr, an educator and former staffer to Mélanie Joly.{{cite web|title=Ben Carr, son of late Liberal MP, mulls following in father's footsteps in Winnipeg South Centre|last=Kives|first=Bartley|url=https://www.cbc.ca/news/canada/manitoba/winnipeg-south-centre-byelection-1.6701722|work=CBC News|access-date=January 3, 2023|date=January 2, 2023}}{{Cite web |date=2023-02-02 |title=Son of late MP Jim Carr to seek Liberal party nomination to run in Winnipeg riding |url=https://winnipeg.ctvnews.ca/son-of-late-mp-jim-carr-to-seek-liberal-party-nomination-to-run-in-winnipeg-riding-1.6257386 |access-date=2023-02-03 |website=CTV News|language=en}}{{cite web|title=Candidate field almost set for Winnipeg South Centre byelection|last=Kives|first=Bartley|url=https://www.cbc.ca/news/canada/manitoba/winnipeg-south-centre-1.6825790|work=CBC News|access-date=May 2, 2023|date=April 28, 2023}} Winnipeg city councillor Sherri Rollins briefly ran for the nomination before withdrawing and throwing her support behind Carr.{{cite web|title=Winnipeg city councillor Sherri Rollins seeks federal Liberal nomination in byelection|last=Froese|first=Ian|url=https://www.cbc.ca/news/canada/manitoba/city-councillor-sherri-rollins-liberal-nomination-1.6709908|work=CBC News|access-date=January 11, 2023|date=January 11, 2023}}{{Cite web |title=Sherri Rollins bows out of bid for Liberal nomination to replace late Winnipeg MP |url=https://globalnews.ca/news/9476035/sherri-rollins-bows-out-liberal-nomination-winnipeg-south-centre/ |access-date=2023-02-14 |website=Global News |language=en-US}}

The Conservatives have nominated Damir Stipanovic, an air traffic controller and member of the Royal Canadian Air Force Reserve.

Running again after previously running in 2021 are NDP candidate Julia Riddell, a clinical psychologist, and Green candidate Doug Hemmerling, a local educator.

The Longest Ballot Committee chose Winnipeg South Centre as its target for this group of byelections; the group protests the first-past-the-post election method by registering large numbers of independents in one riding in an election or group of byelections.{{cite news |last1=Unger |first1=Danton |title=Group of political activists plan to flood by-election ballot in Winnipeg |url=https://winnipeg.ctvnews.ca/group-of-political-activists-plan-to-flood-by-election-ballot-in-winnipeg-1.6414015 |access-date=28 May 2023 |work=CTV News |date=25 May 2023}}

=Oxford=

The riding of Oxford was vacated on January 28, 2023, following the resignation of Conservative MP Dave MacKenzie, who had held the seat since 2004.

Arpan Khanna, the party's national outreach chair and 2019 candidate in Brampton North{{Cite web |title='Hijacked': Riding officials quit after heated Conservative nomination fight |url=https://lfpress.com/news/local-news/hijacked-party-officials-quit-after-heated-conservative-nomination-fight |access-date=2023-04-09 |website=lfpress |language=en-CA}} defeated Woodstock city-county councillor Deb Tait, MacKenzie's daughter and former ministerial staffer Rick Roth for the Conservative nomination.{{cite news|first=Abbas|last=Rana|url=https://www.hilltimes.com/story/2023/01/16/another-candidate-announces-his-candidacy-for-the-coveted-conservative-nomination-in-oxford-ont/360940/|title=Tory MP Patzer's Hill staffer, Van Dorland, announces his candidacy for coveted Conservative nomination in Oxford, Ont.|publisher=The Hill Times|date=January 16, 2023|access-date=January 26, 2023}} Gerrit Van Dorland, executive assistant to Cypress Hills—Grasslands MP Jeremy Patzer was running for the nomination until he was disqualified by the Conservatives over a dispute about whether he disclosed information to the party.{{Cite web |title=Conservatives defend ousting Ontario candidate amid anger from anti-abortion group |url=https://globalnews.ca/news/9555015/conservative-oxford-van-dorland-nomination-disqualification/ |access-date=2023-03-16 |website=Global News |language=en-US}} In February 2023, MacKenzie accused the party of supporting Khanna, which he argues is a violation of the party nomination rules based on the Conservative's code of conduct, during the race.{{Cite web |title='It pains me to do this': former Tory MP MacKenzie blasts Poilievre and Scheer for favouring Oxford, Ont., nomination candidate |url=https://www.hilltimes.com/story/2023/02/25/former-tory-mp-mackenzie-blasts-poilievre-and-scheer-for-favouring-khanna-in-oxford-ont-nomination/379788/ |access-date=2023-02-26 |website=The Hill Times |language=en-CA}}{{Cite web |title=Election meddling top of mind in Tory nomination race facing membership fraud complaints |url=https://www.hilltimes.com/story/2023/03/23/election-meddling-top-of-mind-in-tory-nomination-race-facing-membership-fraud-complaints/382529/ |access-date=2023-03-24 |website=The Hill Times |language=en-CA}}

Running for the Liberals is local realtor, former educator, and past Woodstock mayoral candidate David Hilderley.{{Cite news |date=2023-04-24 |title=Former Ontario Tory MP backing Liberal in byelection in riding |language=en-CA |work=The Globe and Mail |url=https://www.theglobeandmail.com/politics/article-former-ontario-tory-mp-backing-liberal-in-byelection-in-riding/ |access-date=2023-04-25}}{{cite tweet|user=liberal_party|number=1658287490388705280|date=May 15, 2023|title=David Hilderley is a dedicated community leader, retired educator, and successful real estate agent. As our Liberal candidate for the by-election in Oxford, he's ready to continue working for the people and families across his community as their next Liberal MP.|access-date=May 15, 2023}} Citing concerns with the Conservative nomination process, previous MP Dave MacKenzie endorsed Hilderley in April 2023.

Western University professor Cody Groat defeated Matthew Chambers, the party candidate for the riding in the 2019 and 2021 elections for the NDP nomination.{{Cite web |title=Amid Conservative divide in stronghold Oxford, NDP eye byelection opening |url=https://lfpress.com/news/local-news/amid-conservative-divide-in-stronghold-oxford-ndp-eye-byelection-opening |access-date=2023-04-09 |website=lfpress |language=en-CA}}{{Cite web |title=Professor wins NDP nod for Southwestern Ontario federal byelection |url=https://lfpress.com/news/local-news/professor-wins-ndp-nod-for-southwestern-ontario-federal-byelection |access-date=2023-04-20 |website=lfpress |language=en-CA}}

=Portage—Lisgar=

The riding of Portage—Lisgar was vacated on February 28, 2023, following the resignation of Conservative MP Candice Bergen.{{Cite web |date=2023-02-01 |title=Candice Bergen, former interim Conservative leader, is resigning from Parliament |url=https://www.thestar.com/politics/federal/2023/02/01/candice-bergen-former-interim-conservative-leader-is-resigning-from-parliament.html |access-date=2023-02-01 |website=thestar.com |language=en}} Bergen, a cabinet minister in the government of Stephen Harper and the interim leader of the Conservative Party and Leader of the Opposition from February to September 2022, had held the seat since 2008.

Bergen's former campaign manager Branden Leslie defeated Rejeanne Caron, the party's 2019 candidate in Saint Boniface—Saint Vital and 2021 candidate in Elmwood—Transcona; Winkler resident Don Cruickshank,{{Cite web |title=Don Cruickshank steps up to start line in race to represent Portage-Lisgar in Ottawa |url=https://pembinavalleyonline.com/articles/don-cruickshank-steps-up-to-start-line-in-race-to-represent-portage-lisgar-in-ottawa |access-date=2023-02-14 |website=PembinaValleyOnline}} Morden-Winkler MLA and former Progressive Conservative Party of Manitoba cabinet minister Cameron Friesen;{{Cite web |date=2023-01-27 |title='An opportunity': Manitoba finance minister quits for federal run |url=https://winnipeg.ctvnews.ca/an-opportunity-manitoba-finance-minister-quits-for-federal-run-1.6249192 |access-date=2023-01-29 |website=Winnipeg |language=en}} and Lawrence Toet, the MP for Elmwood—Transcona from 2011 to 2015 for the Conservative nomination.{{Cite web |title=With former Conservative MP Toet entering the nomination contest, field of high-profile candidates in Portage-Lisgar, Man., is growing |url=https://www.hilltimes.com/story/2023/02/03/with-former-conservative-mp-toet-entering-the-nomination-contest-field-of-high-profile-candidates-in-portage-lisgar-is-growing/377358/ |access-date=2023-02-04 |website=The Hill Times |language=en-CA}}{{Cite web |title=Branden Leslie wins Conservative nomination for Portage-Lisgar |url=https://pembinavalleyonline.com/articles/branden-leslie-wins-conservative-nomination-for-portage-lisgar |access-date=2023-05-01 |website=PembinaValleyOnline}} Liz Reimer, a Progressive Conservative Party of Manitoba staffer and former assistant to Friesen, and Josh Okello were previously running for the nomination, however after Friesen announced his campaign they withdrew their bids in order to run for the Progressive Conservative nomination in Morden-Winkler.{{Cite web |title=Reimer revises political bid, now seeking Morden-Winkler PC nomination |url=https://www.pembinavalleyonline.com/articles/reimer-revises-political-bid-now-seeking-morden-winkler-pc-nomination |access-date=2023-04-29 |website=PembinaValleyOnline}}{{Cite web |title=Kenyan-born candidate brings international perspective to Conservative contest in Portage-Lisgar |url=https://pembinavalleyonline.com/articles/kenyan-born-candidate-brings-international-perspective-to-conservative-contest-in-portage-lisgar- |access-date=2023-02-22 |website=PembinaValleyOnline}}{{Cite web |title=Josh Okello gives up federal aspirations to run for Morden-Winkler MLA |url=https://www.pembinavalleyonline.com/articles/-josh-okello-gives-up-federal-aspirations-to-run-for-morden-winkler-mla |access-date=2023-04-29 |website=PembinaValleyOnline}}

Maxime Bernier, who is the former MP Beauce and the current leader of the People's Party of Canada, announced on May 12, 2023, that he would run for the seat.{{Cite web |title=Maxime Bernier will run in the Portage-Lisgar by-election |url=https://www.pembinavalleyonline.com/articles/maxime-bernier-will-run-in-the-portage-lisgar-by-election |access-date=2023-05-12 |website=PembinaValleyOnline}}{{cite news|first=Chris|last=Kitching|title=PPC leader 'looking forward to the future' with eye on possible Portage—Lisgar bid|url=https://www.winnipegfreepress.com/local/2023/05/10/ppc-leader-looking-forward-to-the-future-with-eye-on-possible-portage-lisgar-bid|access-date=May 11, 2023|work=Winnipeg Free Press|date=May 10, 2023}}{{cite news|title=People's Party of Canada Leader Maxime Bernier to run in Manitoba byelection|url=https://www.cbc.ca/news/politics/maxime-bernier-running-manitoba-byelection-1.6839322|access-date=May 11, 2023|work=CBC News|date=May 10, 2023}}

The Liberals announced Kerry Smith as their candidate on May 13.{{Cite tweet |user=liberal_party |number=1657553485443870720 |title=We're excited to welcome Kerry Smith as our Liberal candidate in the upcoming by-election in Portage-Lisgar.}}

=Notre-Dame-de-Grâce—Westmount=

The riding of Notre-Dame-de-Grâce—Westmount was vacated on March 8, 2023, following the resignation of Liberal MP Marc Garneau. Garneau, previously the Minister of Transport and Minister of Foreign Affairs in the government of Justin Trudeau, had held the seat since 2008.

Running for the Liberals is Anna Gainey, former president of the party and daughter of former Montreal Canadiens General Manager Bob Gainey.{{Cite news |last=Bellavance |first=Joël-Denis |date=April 11, 2023|title=Notre-Dame-de-Grâce–Westmount: Anna Gainey souhaite succéder à Marc Garneau |language=fr-CA |work=La Presse |url=https://www.lapresse.ca/actualites/politique/2023-04-11/notre-dame-de-grace-westmount/anna-gainey-souhaite-succeder-a-marc-garneau.php |access-date=April 11, 2023}}{{Cite news|last=Goudreault|first=Zacharie|date=May 15, 2023|title=Anna Gainey remporte une course à trois dans NDG-Westmount|language=fr-CA|work=Le Devoir|url=https://www.ledevoir.com/politique/canada/791133/anna-gainey-remporte-une-course-a-trois-dans-ndg-westmount|access-date=May 15, 2023}} Gainey won the Liberal nomination on May 15, 2023, defeating Fred Headon, vice president and general counsel of Air Canada, and 2021 La Pointe-de-l'Île candidate Jonas Fadeu.{{Cite web |title=Anna Gainey, Trudeau confidante, seeking nomination in safe Quebec Liberal riding of Notre-Dame-de-Grâce-Westmount |url=https://www.hilltimes.com/story/2023/04/10/trudeau-confidante-and-former-liberal-party-president-gainey-seeking-nomination-in-the-safe-quebec-liberal-riding-of-notre-dame-de-grace-westmount/383833/ |access-date=April 11, 2023|website=The Hill Times |language=en-CA}}

Human rights activist and Green Party deputy leader Jonathan Pedneault was announced as the party's candidate on May 15, 2023.{{Cite news|last=Thurton|first=David|date=May 15, 2023|title=Green Party deputy leader Jonathan Pedneault to run in Montreal federal byelection|work=CBC News|url=https://www.cbc.ca/news/politics/green-pedneault-montreal-federal-byelection-1.6843419|access-date=May 15, 2023}}

{{2023 Canadian federal by-elections/Notre-Dame-de-Grâce—Westmount}}

July 24, 2023 by-election

=Calgary Heritage=

The riding of Calgary Heritage was vacated on December 31, 2022, following the October 20 announcement from Conservative MP Bob Benzen that he would resign his seat by the end of the year in order to return to the private sector. Benzen had held the seat since a 2017 by-election in which he was elected to replace former Prime Minister and former Conservative leader Stephen Harper.{{cite web|first1=Nick|last1=Taylor-Vaisey|first2=Sue|last2=Allan|title=Ask the Magic 8 Ball|url=https://www.politico.com/newsletters/ottawa-playbook/2023/01/03/ask-the-magic-8-ball-00076044|work=Politico|access-date=January 3, 2023|date=January 3, 2023}} The by-election was called for July 24, 2023, following the conclusion of the 2023 Alberta general election.{{Cite news|last1=Paas-Lang|first1=Christian|last2=Zimonjic|first2=Peter|date=May 14, 2023|title=Four federal byelections will be held on June 19|work=CBC News|url=https://www.cbc.ca/news/politics/byelections-federal-government-2023-1.6843113#content|access-date=May 15, 2023}}

Shuvaloy Majumdar, global director for Harper's international consulting firm Harper & Associates defeated former parliamentary staffer Quinn Heffron for the Conservative nomination.{{cite tweet |last=Batherson |first=Rob |author-link=Rob Batherson |user=rbatherson |number=1632004868767449088 |date=March 4, 2023 |title=Congrats to Shuv Majumdar, the next @CPC_HQ MP for Calgary Heritage #cdnpoli #abpoli #CPC https://t.co/PTe2so15mS |language=en |access-date=March 28, 2023}}{{cite news|first=Abbas|last=Rana|url=https://www.hilltimes.com/story/2022/11/21/stephen-harpers-global-director-shuvaloy-majumdar-said-to-be-eyeing-coveted-calgary-heritage-seat/355993/|title=Stephen Harper's global director Shuvaloy Majumdar said to be eyeing coveted Calgary Heritage seat |publisher=The Hill Times|date=November 21, 2022|access-date=December 11, 2022}}{{cite news|first=Abbas|last=Rana|url=https://www.hilltimes.com/story/2023/01/06/conservative-partys-outreach-chair-khanna-to-duke-it-out-with-conservative-mp-mckenzies-daughter-tait-and-former-senior-ministerial-staffer-roth-in-the-coveted-riding-of-oxford-ont/360439/|title=Conservative Party's outreach chair Khanna to duke it out with Tory MP MacKenzie's daughter Tait and former Hill staffer Roth in coveted Oxford, Ont., nomination bid|publisher=The Hill Times|date=January 6, 2023|access-date=January 9, 2023}} Elliot Weinstein was acclaimed as the candidate for the Liberal Party.{{cite web | url=https://liberal.ca/fr/avis-dinvestiture/avis-dacclamation-calgary-heritage/ | title=AVIS d'ACCLAMATION – Calgary Heritage | Parti libéral du Canada}}

March 4, 2024 by-election

=Durham=

The riding of Durham, represented by former Conservative leader Erin O'Toole, was vacated on August 1, 2023, following his resignation and retirement from politics.{{cite web|url=https://elections.ca/content.aspx?section=med&dir=pre&document=aug0423&lang=e|title=A Federal Seat is Vacant in Durham|author=Elections Canada|date=August 4, 2023|access-date=August 5, 2023}} O'Toole, who led the party from 2020 to 2022 and served as Minister of Veterans Affairs in the government of Stephen Harper, has held the seat since a 2012 by-election.

Jamil Jivani, conservative commentator and former president of the Canada Strong and Free Network, won the Conservative Party nomination, defeating Theresa Corless, a former Durham Catholic School Board chair.{{cite news |last1=Kirkup |first1=Kristy |title=Jamil Jivani named Conservative candidate in GTA riding of Durham |url=https://www.theglobeandmail.com/politics/article-jamil-jivani-named-conservative-candidate-in-gta-riding-of-durham/ |access-date=21 August 2023 |work=The Globe and Mail |date=20 August 2023}}

Robert Rock, a Scugog township councillor, was acclaimed as the candidate for the Liberal Party.{{Cite web |title=Liberal Party of Canada announces Robert Rock as Team Trudeau candidate for Durham {{!}} Liberal Party of Canada |url=https://liberal.ca/robert-rock-team-trudeau-candidate-durham/ |access-date=2024-01-04 |website=liberal.ca |language=en-CA}} Rock previously sought the nomination for the Conservatives,{{Cite web |last=Star |first=Chris Hall Port Perry |date=2023-05-04 |title=Scugog councillor looks to succeed O'Toole as Durham MP |url=https://www.durhamregion.com/news/scugog-councillor-looks-to-succeed-otoole-as-durham-mp/article_937b9fd0-b830-5c70-9e0f-5df343827fc8.html |access-date=2024-01-04 |website=DurhamRegion.com |language=en}} but was not a contestant when the riding association chose its candidate.{{cite web |title=Nomination Contest Details |url=https://www.elections.ca/WPAPPS/WPR/EN/NC/DetailedReport?selectedId=10414&queryId=8524efc8b39f4b2cb2ccb13d7f6a5263&referrer=PoliticalParticipantsts |website=Elections Canada |access-date=5 January 2024}}

The Rhinoceros Party announced its candidate on January 13.{{cite web |author1=Parti Rhinocéros Party |title=Candidate announcement for by-elections in Durham and Toronto St. Paul !!! |url=https://www.facebook.com/PartiRhino/videos/956935902807983/ |website=Facebook |access-date=January 22, 2024 |date=January 13, 2024}}

On January 28, 2024, Prime Minister Trudeau announced that the by-election would be held on March 4, 2024.{{cite news |title=Poilievre outlines goals to Conservative caucus as Trudeau sets date for crucial byelection |url=https://www.thestar.com/politics/federal/poilievre-outlines-goals-to-conservative-caucus-as-trudeau-sets-date-for-crucial-byelection/article_87244f70-be13-11ee-bfa8-371887e23586.html |access-date=January 28, 2024 |work=Toronto Star |date=January 28, 2024}}

June 24, 2024 by-election

=Toronto—St. Paul's=

The riding of Toronto—St. Paul's was vacated on January 16, 2024, following the resignation of Liberal MP Carolyn Bennett.{{cite web|url=https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=10038|title=The Hon. Carolyn Bennett, P.C., M.P.|website=Library of Parliament|access-date=January 16, 2024}} Bennett, most recently the Minister of Mental Health and Addictions and Associate Minister of Health in the government of Justin Trudeau, had held the seat since 1997.

Running for the Liberal nomination was Leslie Church, former chief of staff to Chrystia Freeland.{{Cite news|last1=Rana|first1=Abbas|last2=Jeffery|first2=Stephen|date=December 18, 2023|title=Toronto-St. Paul's byelection could be 'first test' of Jewish voters' reaction to Canada's UN vote on Israel-Hamas war, say political insiders|work=The Hill Times|url=https://www.hilltimes.com/story/2023/12/18/toronto-st-pauls-byelection-will-be-the-first-test-of-jewish-voters-reaction-to-canadas-un-vote-on-israel-hamas-war-say-political-insiders/406291/|access-date=December 22, 2023}} She later received formal approval to run for Liberal nomination in Toronto—St. Paul's in April 2024.{{Cite news|last=Vigliotti|first=Marco|date=April 22, 2024|title=Leslie Church receives formal approval to run for Liberal nomination in Toronto-St. Paul's: sources|work=iPolitics|url=https://www.ipolitics.ca/news/leslie-church-receives-formal-approval-to-run-for-liberal-nomination-in-toronto-st-pauls-sources|access-date=April 25, 2024}} She ran against Emma Richardson, a senior advisor with Global Affairs Canada’s United Nations division.{{cite web |last1=Vigliotti |first1=Marco |title=Leslie Church expected to easily win Liberal nomination in Toronto-St. Paul's on Tuesday: sources |url=https://www.ipolitics.ca/news/leslie-church-expected-to-easily-win-liberal-nomination-in-toronto-st-pauls-on-tuesday-sources |website=iPolitics |date=25 April 2024 |access-date=25 April 2024}}

The Liberal nomination was held on May 1 with Church winning the nomination.{{cite web |last1=Duguid |first1=Terry |last2=Martinez Ferrada |first2=Soraya |title=Liberal Nomination Meeting – Toronto—St. Paul's |url=https://liberal.ca/nomination-notices/liberal-nomination-meeting-toronto-st-pauls-2024/ |website=Liberal Party of Canada |access-date=25 April 2024 |archive-date=25 April 2024 |archive-url=https://web.archive.org/web/20240425183536/https://liberal.ca/nomination-notices/liberal-nomination-meeting-toronto-st-pauls-2024/ |url-status=dead }}{{cite web |title=Liberal Party of Canada announces Leslie Church as Team Trudeau candidate for Toronto–St. Paul's |url=https://liberal.ca/liberal-party-of-canada-announces-leslie-church-as-team-trudeau-candidate-for-toronto-st-pauls/ |website=Liberal Party of Canada |date=1 May 2024 |access-date=1 May 2024}}

Other prospective candidates for the Liberal nomination who declined to run, included former Toronto city councillor Josh Colle; former Ontario MPP Eric Hoskins, who represented the area provincially from 2009 to 2018 and previously served in the provincial cabinets of Dalton McGuinty and Kathleen Wynne, including as Minister of Health and Long-Term Care from 2014 to 2018; and Toronto city councillor Josh Matlow, who has represented the area municipally since 2010; Matlow ultimately decided not to run.{{Cite news|last=Vigliotti|first=Marco|date=January 25, 2024|title=Liberals still considering candidates for Toronto-St. Paul's byelection|work=iPolitics|url=https://www.ipolitics.ca/news/liberals-still-considering-candidates-for-toronto-st-pauls-byelection|access-date=January 26, 2024}}{{Cite news |title=Josh Matlow (@JoshMatlow) on X |url=https://twitter.com/JoshMatlow/status/1761054619273167274 |archive-url=http://web.archive.org/web/20240312085117/https://twitter.com/JoshMatlow/status/1761054619273167274 |archive-date=2024-03-12 |access-date=2025-03-15 |work=X (formerly Twitter) |language=en}} With his riding set to merge with Scarborough Centre at the next election, Don Valley East MP Michael Coteau was seen as a potential candidate, in order to avoid a nomination battle with fellow Liberal MP Salma Zahid; Coteau ultimately declined to run.{{Cite news|last=Vigliotti|first=Marco|date=January 19, 2024|title=Coteau won't run in Toronto-St. Paul's byelection|work=iPolitics|url=https://www.ipolitics.ca/news/coteau-wont-run-in-toronto-st-pauls-byelection|access-date=January 26, 2024}}

The Rhinoceros Party announced that Sean Carson would be the candidate on January 13.

The Conservative Party nominated Don Stewart on January 24. He works for the Canadian Investment Regulatory Organization.{{cite web |title=Welcome your Toronto—St. Paul's candidate|url=https://twitter.com/CPC_HQ/status/1758260922949263870 |access-date=18 April 2024}}{{cite web |title=Nomination Contest Database |url=https://www.elections.ca/WPAPPS/WPR/EN/NC/DetailedReport?selectedId=10492&queryId=d640b7590c024dcea20c8795e84a980e&referrer=PoliticalParticipantsts |website=Elections Canada |access-date=17 April 2024}}

The NDP announced on April 17 that Amrit Parhar would be the candidate. She works as the Director of Programs at the Institute for Change Leaders, an organization that was founded by Toronto mayor, Olivia Chow.{{cite web |title=We are so proud to announce Amrit Parhar as our nomination candidate for the upcoming by-election in TSP! |url=https://twitter.com/stpaulsndp/status/1780588668211581205 |website=Toronto St. Paul's NDP |date=17 April 2024 |access-date=17 April 2024}}

It was previously reported two days earlier by The Hill Times that MPP for Toronto—St. Paul's, Jill Andrew was considering seeking the nomination.{{cite web |last1=Rana |first1=Abbas |title=Poor polling numbers, NDP MPP's rumoured candidacy, and Mideast conflict turns Toronto-St. Paul's, Ont., byelection into tight three-way race, say Liberal MPs |url=https://www.hilltimes.com/story/2024/04/15/poor-polling-numbers-ndp-mpps-rumoured-candidacy-and-middle-east-conflict-turns-toronto-st-pauls-byelection-into-competitive-three-way-race-say-liberal-mps/418139/ |website=The Hill Times |date=15 April 2024 |access-date=27 April 2024}}

On May 17, the Centrist Party announced Ali Mohiuddin as their candidate.{{cite web |title=Ali Mohiuddin is the nomination candidate of the #Centrist Party for Toronto St. Paul's riding By-election. |url=https://x.com/CentristCa/status/1791535531764981998 |publisher=Centrist Party of Canada |website=Twitter |date=17 May 2024 |access-date=17 May 2024}}

On May 24, the Green Party announced that Christian Cullis, a constituent coordinator for Ward 11 city councillor Dianne Saxe, would be their candidate.{{cite web |date=24 May 2024 |title=Christian Cullis to run in Toronto-St Paul's. |url=https://www.greenparty.ca/en/media-release/2024-05-24/christian-cullis-run-toronto-st-pauls |access-date=25 May 2024 |website=greenparty.ca |publisher=Green Party of Canada}} Emma Richardson, who previously lost the Liberal nomination, also sought the Green Party nomination.{{cite web |title=Emma Richardson for Toronto—St. Paul's |url=https://www.voteemma.ca/ |access-date=23 May 2024 |archive-date=15 May 2024 |archive-url=https://web.archive.org/web/20240515003614/https://www.voteemma.ca/ |url-status=dead }}

On May 28, the People's Party announced that Dennis Wilson would be their candidate.{{cite web |last1=Bernier |first1=Maxime |title=If you live in Toronto, support our PPC candidate Dennis Wilson! |url=https://x.com/MaximeBernier/status/1795458987606868317 |website=Twitter |date=28 May 2024 |access-date=28 May 2024}}

The Longest Ballot Committee chose to target the riding,{{cite news |last1=Passifiume |first1=Bryan |title=Long ballot activists planning to make short work of Toronto byelection |url=https://nationalpost.com/news/politics/long-ballot-activists-toronto-byelection |access-date=January 22, 2024 |work=National Post |publisher=Postmedia |date=December 27, 2023}} resulting in dozens of independent candidates on the ballot.

September 16, 2024 by-elections

=LaSalle—Émard—Verdun=

The riding of LaSalle—Émard—Verdun was vacated on February 1, 2024, following the resignation of Liberal MP David Lametti.{{cite web|url=https://theprovince.com/news/liberal-mp-david-lametti-to-resign|title=Former justice minister David Lametti resigning as Liberal MP to join law firm|website=The Province|access-date=January 25, 2024}} Lametti, who previously served as Minister of Justice and Attorney General in the government of Justin Trudeau, won the seat in 2015.

On July 19, Montreal city councillor Laura Palestini was selected by the Liberals as their candidate despite others seeking the nomination{{cite web |title=Montreal city councillor to represent Liberals in byelection |url=https://www.cbc.ca/news/politics/laura-palestini-montreal-lasalle-%C3%A9mard-verdun-bylection-1.7269416 |website=CBC News |access-date=19 July 2024 |date=19 July 2024}} such as Eddy Kara, a political strategist,{{cite web |last1=Saba |first1=Michel |title=Decision to parachute Trudeau's choice into Montreal byelection shocks would-be candidates |url=https://montrealgazette.com/news/local-news/decision-to-parachute-trudeaus-choice-into-montreal-byelection-shocks-would-be-candidates |website=Montreal Gazette |publisher=The Canadian Press |access-date=24 July 2024 |date=23 July 2024}} Christopher Baenninger, Quebec Liberal candidate in Sainte-Marie–Saint-Jacques in 2022 and Saint-Henri–Sainte-Anne in 2023,{{cite web |last1=Labbé |first1=Jérôme |title=Le PLC recrute une conseillère municipale pour la partielle dans LaSalle–Émard–Verdun |url=https://ici.radio-canada.ca/nouvelle/2089594/candidate-liberale-lasalle-emard-verdun |website=Radio-Canada |access-date=19 July 2024 |date=19 July 2024}} and Lori Morrison, Electoral Division 1 Commissioner of the Lester B. Pearson School Board.

On March 28, Craig Sauvé, independent city councillor for the district of Saint-Henri—Little-Burgundy—Pointe-Saint-Charles announced that he was standing for nomination for the New Democratic Party's candidate.{{Cite tweet |number=1773415710384963673 |user=CraigSauve |title=Grosse annonce aujourd'hui ! 🧡 Merci tout le monde pour les très nombreux messages de soutien ! 🙏 // Big announcement today! 🧡 Thank you for the many messages of support! 🙏 #polcan #cdnpoli #polmtl |date=March 28, 2024}} He was officially nominated as the candidate on April 28.{{cite web |title=Lasalle--Émard—Verdun NDP Nomination Meeting |url=https://www.ndp.ca/lasalle-emard-verdun-ndp-nomination-meeting?source=20220310_WEB_GEN_1_RSVP_NDPWS_NDP_EN_ALL |website=New Democratic Party of Canada |access-date=12 April 2024}}

On July 19, the Conservative Party announced that their candidate would be Louis Ialenti, a small business owner. He was previously the Conservative candidate for Saint-Léonard—Saint-Michel in 2021.{{cite web |last1=Serebrin |first1=Jacob |title=Liberals, Conservatives select candidates for Montreal byelection |url=https://montrealgazette.com/news/local-news/montreal-city-councillor-laura-palestini-to-be-federal-liberal-candidate-in-montreal-byelection |website=Montreal Gazette |access-date=19 July 2024 |date=19 July 2024}}

The Bloc Québécois candidate will be Louis-Philippe Sauvé, the communications and administration coordinator at the Institute for Research in Contemporary Economics.{{cite web | last=Séguin | first=Charles | title=Deux élections partielles fédérales auront lieu le 16 septembre | website=Radio-Canada | date=2024-07-28 | url=https://ici.radio-canada.ca/nouvelle/2092122/election-partielle-lasalle-emard-verdun- | language=fr | access-date=2024-07-31}}

Gregory Yablunovsky will be the PPC candidate. He was previously the party's candidate in Saint-Laurent in 2021 and La Prairie in 2019.{{cite web |title=Gregory Yablunovsky |url=https://www.thepeoplespartyofcanada.ca/candidate/gregory-yablunovsky |website=People's Party of Canada |access-date=12 April 2024}}

On May 27, it was announced that Jency Mercier had won the nomination race for the Green Party.{{cite web |title=Jency Mercier to run in LaSalle—Émard—Verdun |url=https://www.greenparty.ca/en/media-release/2024-05-27/jency-mercier-run-lasalle%E2%80%94%C3%A9mard%E2%80%94verdun |website=Green Party of Canada |date=27 May 2024 |access-date=28 May 2024}}

Alain Paquette will be the Christian Heritage Party candidate.{{cite web |title=Alain Paquette – LaSalle—Émard—Verdun |url=https://www.chp.ca/alain-paquette |website=Christian Heritage Party of Canada |access-date=19 July 2024}}

On July 17, the Rhinoceros Party announced that party leader Sébastien CoRhino would be the candidate.{{cite web |url=https://www.facebook.com/PartiRhino/videos/1151786252711761 |website=Facebook |publisher=Rhinoceros Party |title=The people of LaSalle – Ville Émard – Verdun have endorsed Sébastien CoRhino as their candidate for the soon to be announced by-election. |access-date=19 July 2024 |date=17 July 2024}}

The Longest Ballot Committee announced LaSalle—Émard—Verdun as their next target following the Toronto—St. Paul's byelection, changing the name on their X.com account to reflect this.{{cite web |title=Longest Ballot Committee: LaSalle–Émard–Verdun |url=https://x.com/LongestBallot |website=X.com |access-date=9 August 2024}}

On August 14, the newly announcedhttps://www.cpac.ca/headline-politics/episode/canadian-future-party-officially-launches--august-14-2024 {{Bare URL inline|date=August 2024}} Canadian Future Party announced that its candidate would be business strategist and entrepreneur Mark Khoury.https://www.linkedin.com/in/markkhoury/ {{Bare URL inline|date=August 2024}}

=Elmwood—Transcona=

The riding of Elmwood—Transcona was vacated on March 31, 2024, following the resignation of NDP MP Daniel Blaikie.{{cite web|url=https://www.ctvnews.ca/politics/ndp-mp-daniel-blaikie-resigning-house-seat-to-work-with-manitoba-premier-1.6787966|title=NDP MP Daniel Blaikie resigning House seat to work with Manitoba premier|website=CTV News|date=28 February 2024 |access-date=February 28, 2024}}

On May 22, Leila Dance, the executive director of the Transcona Business Improvement Zone won the NDP nomination over Leilani Esteban, the executive director of the Chalmers Neighbourhood Renewal Corporation.{{cite web |last1=Rollason |first1=Kevin |title=Transcona BIZ boss to run for NDP in byelection |url=https://www.winnipegfreepress.com/breakingnews/2024/05/22/transcona-biz-boss-to-run-for-ndp-in-byelection |website=Winnipeg Free Press |date=22 May 2024 |access-date=22 May 2024}}{{cite web |last1=Sanders |first1=Carol |title=NDP premiers share political war stories |url=https://www.winnipegfreepress.com/local/2024/05/04/federal-ndp-hope-to-mirror-manitobas-success |website=Winnipeg Free Press |publisher=FP Canadian Newspapers Limited Partnership |date=4 May 2024 |access-date=5 May 2024}}

On July 19, Conservative Party announced Colin Reynolds, a construction electrician as their candidate.{{Cite tweet |number=1814308165099384944 |user=CPC_HQ |title=[...] Support your [...] Conservative candidate @_Colin_Reynolds in Elmwood-Transcona. |date=2024-07-19 |access-date=2025-03-15 |author=Conservative Party}}{{cite web |last1=McKendrick |first1=Devon |title=Federal Conservatives name candidate for Elmwood-Transcona |url=https://winnipeg.ctvnews.ca/federal-conservatives-name-candidate-for-elmwood-transcona-1.6970673 |website= CTV News Winnipeg |date=19 July 2024 |access-date=19 July 2024}} Lawrence Toet, MP for Elmwood—Transcona, from 2011 to 2015 was considered a potential candidate for the Conservatives.{{cite web |last1=Klein |first1=Kevin |title=Elmwood-Transcona byelection – A test of Conservative momentum |url=https://winnipegsun.com/opinion/klein-elmwood-transcona-byelection-a-test-of-conservative-momentum |website=Winnipeg Sun |date=24 March 2024 |access-date=27 April 2024}}

On July 25, the Liberal Party nominated Ian MacIntyre, a retired teacher and union leader.{{cite web | title=Former teacher, union leader to run for Liberal Party of Canada in upcoming Elmwood-Transcona byelection | website=CBC | date=2024-07-25 | url=https://www.cbc.ca/news/canada/manitoba/liberals-pick-byelection-candidate-1.7275787 | access-date=2024-07-31}}

Russ Wyatt, Winnipeg city councillor for Transcona, 2002 to 2018, and 2022 to present was pondering a run for either the NDP or the Conservatives. He said that he liked the NDP's domestic policies, but disliked their "woke nonsense," and he aligns with the Conservatives on international views and foreign policy.{{cite web |last1=Piché |first1=Gabrielle |title=Wyatt pondering federal bid to replace Blaikie |url=https://www.winnipegfreepress.com/breakingnews/2024/04/06/wyatt-pondering-federal-bid-to-replace-blaikie |website=Winnipeg Free Press |publisher=FP Canadian Newspapers Limited Partnership |date=6 April 2024 |access-date=27 April 2024}} Ultimately, he decided not to run.{{cite web |last1=Wyatt |first1=Russ |title=However, with many suggesting I stay on as city councillor, I want to honour that request. |url=https://www.facebook.com/permalink.php?story_fbid=pfbid02ex9b7JA1FmSkXBCb2F2BDG7FwdK6PNFf8GrqWisbriwjWhZPXDQU7ruqkaQWE5Gnl&id=100083763160644 |website=Facebook |date=15 April 2024 |access-date=27 April 2024}}

On July 2, the Green Party announced that Nic Geddert had won the nomination race to be their candidate.{{cite web |title=Nic Geddert to Run in Elmwood-Transcona |url=https://www.greenparty.ca/en/media-release/2024-07-02/nic-geddert-run-elmwood-transcona |website=Green Party of Canada |access-date=2 July 2024 |date=2 July 2024}}

The People's Party originally chose Byron Gryba as their candidate.{{cite web |title=Byron Gryba |url=https://www.thepeoplespartyofcanada.ca/candidate/byron-gryba |website=People's Party of Canada |access-date=8 August 2024}}{{cite web |last1=Daigneault |first1=Taylor |title=Meet the Elmwood-Transcona candidates |url=https://www.winnipegfreepress.com/our-communities/correspondents/2024/08/14/meet-the-elmwood-transcona-candidates |website=Winnipeg Free Press |access-date=20 August 2024 |date=14 August 2024}} However, the party later registered Sarah Couture as the candidate.{{cite web |title=Sarah Couture |url=https://www.thepeoplespartyofcanada.ca/candidate/sarah-couture |website=People's Party of Canada |access-date=20 August 2024}}

December 16, 2024 by-election

=Cloverdale—Langley City=

The riding of Cloverdale—Langley City was vacated on May 31, 2024, upon the resignation of Liberal MP John Aldag to successfully seek the BC NDP nomination for Langley-Abbotsford in the 2024 British Columbia general election.{{cite web |last1=Claxton |first1=Matthew |title=Liberal MP Aldag resigns to run for provincial NDP nomination |url=https://www.abbynews.com/local-news/liberal-mp-aldag-resigns-to-run-for-provincial-ndp-nomination-7361472 |website=The Abbotsford News |publisher=Black Press Media |date=17 May 2024 |access-date=18 May 2024}}

Former MP Tamara Jansen, who defeated Aldag in 2019 before losing a rematch in 2021 was the Conservative candidate.{{cite web |title=Tamara Jansen |url=https://www.tamarajansen.ca/ |website=www.tamarajansen.ca |access-date=18 May 2024}} She won the nomination on October 21, 2024.{{Cite web|url=https://www.instagram.com/p/DBaeLkrRrSO/?hl=en&img_index=1|title=Instagram|website=www.instagram.com}}

Running for the PPC was Ian Kennedy, who was the candidate for the party in 2021 and 2019.{{cite web |title=Cloverdale-Langley City |url=https://ppc-greater-vancouver-regional-association.square.site/cloverdale-langley-city |website=PPC Greater Vancouver Regional Association |access-date=13 September 2024}}

On November 10, 2024, the writ for the byelection was issued. The byelection was scheduled to be held on December 16, 2024.{{cite web |title=Federal byelection called in B.C.'s Cloverdale-Langley City riding |url=https://www.cbc.ca/news/canada/british-columbia/federal-byelection-cloverdale-langley-city-1.7379893|website=CBC News|access-date=10 November 2024}} Nominations closed on November 25, 2024.https://www.elections.ca/Scripts/vis/Candidates/Print?L=e&ED=59007&EV=60&EV_TYPE=3&PROV=NB&QID=-1&PAGEID=17

Cancelled by-election

=Halifax=

The riding of Halifax was vacated on August 31, 2024, upon the resignation of Liberal MP Andy Fillmore who ran in the 2024 Halifax mayoral election.

On November 26, 2023, Lisa Roberts was nominated to represent the NDP in the next general election.{{cite web |title=Lisa Roberts to represent NDP in Halifax riding in next federal election |url=https://www.saltwire.com/atlantic-canada/news/lisa-roberts-to-represent-ndp-in-halifax-riding-in-next-federal-election-100915374/ |website=SaltWire |publisher=SaltWire Network |date=26 November 2023 |access-date=17 June 2024}} She was the previous candidate for the NDP in Halifax in 2021 and is the former MLA for the provincial district of Halifax Needham, having held office from 2016 to 2021.

On October 3, 2024, The Conservative Party nominated Mark Boudreau as their candidate. He is the Director of Communications for the Government of Nova Scotia.{{cite web |title=I'm grateful for the opportunity to fight for the people of Halifax and deliver this seat for Pierre and the CPC team! |publisher=Mark Boudreau|url=https://www.linkedin.com/feed/update/urn:li:activity:7247720997745758208/ |date=3 October 2024 |access-date=3 October 2024}} He is also the Communications Chair for the Progressive Conservative Association of Nova Scotia.{{Cite web|url=https://www.pcpartyns.ca/pc_party_executive|title=PC Party Executive|website=PC Party of Nova Scotia}} Also seeking the Conservative nomination was Rahul Tiwari.{{Cite tweet |number=1787193092258300171 |user=rahulhfx |title=[...] I'm honoured to announce my Nomination Candidacy for upcoming Federal election – HALIFAX riding. [...] |date=2024-05-05 |access-date=2024-05-19 |author=Rahul Tiwari}}

Jonah Morgan was the PPC candidate.{{cite web |title=PPC Candidates |url=https://www.thepeoplespartyofcanada.ca/candidates |website=People's Party of Canada |access-date=21 March 2025}} He replaced Kelsey Green, an earlier candidate who withdrew sometime before late February.

The Liberal Party announced Shannon Miedema as their candidate on March 1, 2025.{{Cite tweet |number=1895944921607258353 |user=liberal_party |title=There's going to be an important by-election in Halifax, and our candidate, @HfxShan [...] |date=2025-03-01 |access-date=2025-03-02 |author=Liberal Party}} She is the director of environment and climate change for Halifax Regional Municipality.{{Cite web |title=Trudeau calls for federal byelection to fill empty Halifax seat |url=https://nationalpost.com/news/canada/trudeau-halifax-byelection |website=National Post}}

The Canadian Future Party announced Megan Harris as their candidate on March 19, 2025.{{cite web |title=MEGAN HARRIS TO STAND FOR CANADIAN FUTURE PARTY IN HALIFAX BYELECTION |url=https://www.facebook.com/groups/BCPoliticsAndMore/posts/1788031871740523/ |website=Facebook |access-date=22 March 2025 |date=22 March 2025}}

On March 2, 2025, a byelection was scheduled to he held on April 14, 2025. The by-election was cancelled on March 23, 2025 when the 2025 Canadian federal election was called for April 28, 2025.

Other vacancies

=Honoré-Mercier=

The riding of Honoré-Mercier was vacated on January 20, 2025, upon the resignation of Liberal-turned-Independent MP Pablo Rodriguez to run in the 2025 Quebec Liberal Party leadership election.{{Cite web|url=https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=8374|title=Profile|website=lop.parl.ca}} As the vacancy occurred within nine months of the fixed election date of October 20, 2025, the seat remained vacant until the dissolution of the 44th Parliament.

=Esquimalt—Saanich—Sooke=

The riding of Esquimalt—Saanich—Sooke was vacated on January 30, 2025, upon the resignation of New Democratic MP Randall Garrison.{{Cite web |title=Mr. Randall Garrison, M.P. |url=https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=17849 |access-date=2025-02-09 |website=Parliament of Canada}} As the vacancy occurred within nine months of the fixed election date of October 20, 2025, the seat remained vacant until the dissolution of the 44th Parliament.

=Eglinton—Lawrence=

The riding of Eglinton—Lawrence was vacated on March 14, 2025, upon the resignation of Liberal MP Marco Mendicino. As the vacancy occurred within nine months of the fixed election date of October 20, 2025, the seat remained vacant until the dissolution of the 44th Parliament.

References

Category:2020s elections in Canada

Category:44th Canadian Parliament