The 2023 Mississippi House of Representatives election was held on Tuesday, November 7, 2023, to elect all 122 members of the Mississippi House of Representatives to four-year terms. It was held concurrently with elections for all statewide offices and the Mississippi State Senate. Primary elections took place on August 8.
The 2023 election was the first election held under new district maps following redistricting as a result of the 2020 census.
In the 2019 Mississippi Legislature elections, Republicans expanded their majorities in both chambers to 75 in the House and 36 in the Senate. They had 77 members in the House, five votes short of a two-thirds supermajority, after elected Democrats Kevin Horan and Jon Ray Lancaster switched parties.
In the 2020 Presidential Election, Donald Trump won 79 Mississippi House districts while Joe Biden won 43. Heading into the 2023 Mississippi House election, Democrats held 2 districts Trump won: District 33 (Trump +25%) and District 75 (Trump +41%). Republicans held 2 districts Biden won: District 43 (Biden +1%) and District 102 (Biden +6%). Additionally, Independents held 3 districts: District 45 (Biden +5%), District 64 (Trump +1%), and District 96 (Biden +5%).
Sixteen incumbents did not seek re-election.
Three seats were vacant on the day of the general election due to resignations or death in 2022 or 2023.
Two Democrats resigned before the end of their terms.
One Republican died in office.
Four incumbent representatives, one Democrat and three Republicans, were defeated in the August 8 primary election. Two more incumbent representatives, both Republicans, were defeated in the August 29 primary runoff election.
One special election was held on January 10, 2023, with a runoff on January 31, 2023, to fill a vacancy in District 23. Incumbent Charles Beckett resigned on September 22, 2022, to become executive director of the Mississippi Public Utilities Staff. As with all Mississippi special elections, party labels did not appear on the ballot. The winner, Perry Van Bailey, belongs to the Republican Party.