2026 Missouri House of Representatives election
{{Short description|none}}
{{Distinguish|2026 United States House of Representatives elections in Missouri}}
{{Use mdy dates|date=January 2025}}
{{Infobox election
| election_date = {{Start date|2026|11|03}}
| election_name = 2026 Missouri House of Representatives elections
| country = Missouri
| type = legislative
| ongoing = yes
| previous_election = 2024 Missouri House of Representatives election
| previous_year = 2024
| next_election = 2028 Missouri House of Representatives election
| next_year = 2028
| seats_for_election = All 163 seats in the Missouri House of Representatives
| majority_seats = 82
| leader1 = Jon Patterson
| party1 = Missouri Republican Party
| leaders_seat1 = {{nowrap|30th – Lee's Summit}}
| seats_before1 = 111
| seats_needed1 = {{steady}}
| last_election1 = 111
| seats1 =
| seat_change1 =
| popular_vote1 =
| percentage1 =
| swing1 =
| leader2 = Ashley Aune
| party2 = Missouri Democratic Party
| leaders_seat2 = {{nowrap|14th – Kansas City}}
| seats_before2 = 52
| seats_needed2 = {{increase}} 30
| last_election2 = 52
| seats2 =
| seat_change2 =
| popular_vote2 =
| percentage2 =
| swing2 =
| map_image = Missouri State House 2026 Results.svg
| map_size = 380px
| map_caption = Map of the incumbents:
{{legend0|#F48882|Republican incumbent}}
{{legend0|#92C5DE|Democratic incumbent}}
| title = Speaker
| before_election = Jon Patterson
| before_party = Missouri Republican Party
}}
{{electionsMO}}
The 2026 Missouri House of Representatives election is to take place on November 3, 2026, as part of the biennial 2026 United States elections. It will be held alongside numerous other federal, state, and local elections, including the 2026 Missouri Senate election. All 163 seats in the Missouri House of Representatives will be up for election. Primary elections are to take place on August 4, 2026.