Thomas O'Mahony

{{Short description|Irish politician (died 1924)}}

{{Use dmy dates|date=June 2022}}

{{Use Hiberno-English|date=June 2022}}

{{Infobox officeholder

| name = Thomas O'Mahony

| image =

| office = Teachta Dála

| term_start = August 1923

| term_end = 20 July 1924

| constituency = Cork East

| birth_date =

| birth_place = County Cork, Ireland

| death_date = 20 July 1924

| death_place = County Cork, Ireland

| nationality = Irish

| party = Cumann na nGaedheal

| spouse =

| children =

| education =

| alma_mater =

}}

Thomas O'Mahony (died 20 July 1924) was an Irish Cumann na nGaedheal politician who sat as a Teachta Dála (TD) in Dáil Éireann in the 1920s.{{cite web|url=https://www.oireachtas.ie/en/members/member/Thomas-O'Mahony.D.1923-09-19/|title=Thomas O'Mahony|work=Oireachtas Members Database|access-date=11 December 2010}}

At the 1923 general election, he was elected for the Cork East constituency to the 4th Dáil.{{cite web|url=http://www.electionsireland.org/candidate.cfm?ID=1185|title=Thomas O'Mahony|work=ElectionsIreland.org|access-date=11 December 2010}} He died less than a year later, on 20 July 1924. The by-election for his Dáil seat was held on 18 November 1924, and won by the Cumann na nGaedheal candidate Michael K. Noonan.{{cite web|url=http://www.electionsireland.org/candidate.cfm?ID=8548|title=Michael K. Noonan|work=ElectionsIreland.org|accessdate=11 December 2010}}