| Election Name: | Missouri House of Representatives elections, 2010 |
| Country: | Missouri |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | Missouri House of Representatives elections, 2008 |
| Previous Year: | 2008 |
| Next Election: | Missouri House of Representatives elections, 2012 |
| Next Year: | 2012 |
| Seats For Election: | 163 seats in the Missouri House of Representatives |
| Majority Seats: | 82 |
| Election Date: | November 2, 2010 |
| Image1: | Ron Richard.jpg |
| Leader1: | Ron Richard (retired) |
| Party1: | Republican Party (United States) |
| Leaders Seat1: | 129th-Joplin |
| Seats Before1: | 89 |
| Seats After1: | 105 |
| Seat Change1: | 16 |
| Popular Vote1: | 1,075,925 |
| Percentage1: | 59.28% |
| Leader2: | Paul LeVota |
| Party2: | Democratic Party (United States) |
| Leaders Seat2: | 52nd-Independence |
| Seats Before2: | 74 |
| Seats After2: | 58 |
| Seat Change2: | 16 |
| Popular Vote2: | 707,428 |
| Percentage2: | 38.98% |
| Map Size: | 380px |
| Speaker | |
| Posttitle: | Elected Speaker |
| Before Election: | Ron Richard |
| Before Party: | Republican Party (United States) |
| After Election: | Steven Tilley |
| After Party: | Republican Party (United States) |
The 2010 elections for the Missouri House of Representatives were held on November 2, 2010, with all districts being contested. Necessary primary elections were held on August 3, 2010.[1] The Republicans increased their majority in the chamber by 16 seats.
| 105 | 58 | |
| Republican | Democratic |
| Candidates | Seats | Popular Vote | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| align=center | 2008 | align=center | 2010 | align=center | +/- | align=center | Strength | align=center | Vote | align=center | % | ||||
| Republican | align=right | 134 | align=right | 89 | align=right | 105 | align=right | 16 | align=right | 64.6% | align=right | 1,075,925 | align=right | 59.28% | |
| Democratic | align=right | 122 | align=right | 74 | align=right | 58 | align=right | 16 | align=right | 35.6% | align=right | 707,428 | align=right | 38.98% | |
| Constitution | align=right | 18 | align=right | - | align=right | - | align=right | - | align=right | - | align=right | 12,414 | align=right | 0.68% | |
| Libertarian | align=right | 10 | align=right | - | align=right | - | align=right | - | align=right | - | align=right | 10,483 | align=right | 0.58% | |
| Independent/Write-In | align=right | 6 | align=right | - | align=right | - | align=right | - | align=right | - | align=right | 8,165 | align=right | 0.48% | |
1.5 candidates ran as independents. In District 72, Marva Miller received 598 write-in votes, making her the sixth.