| Election Name: | 2020 Utah House of Representatives election |
| Country: | Utah |
| Flag Year: | 2011 |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2018 Utah House of Representatives election |
| Previous Year: | 2018 |
| Next Election: | 2022 Utah House of Representatives election |
| Next Year: | 2022 |
| Seats For Election: | All 75 seats in the Utah House of Representatives |
| Majority Seats: | 38 |
| Turnout: | 67.9% |
| Image1: | Brad Wilson (2020) (cropped).jpeg |
| Image1 Size: | 160x160px |
| Leader1: | Brad Wilson |
| Party1: | Utah Republican Party |
| Leader Since1: | January 28, 2019 |
| Leaders Seat1: | 15–Kaysville |
| Last Election1: | 59 seats, 61.7% |
| Seats Before1: | 59 |
| Seats1: | 58 |
| Seat Change1: | 1 |
| Popular Vote1: | 700,140 |
| Percentage1: | 61.28% |
| Swing1: | 0.41% |
| Image2 Size: | 160x160px |
| Leader2: | Brian King |
| Party2: | Utah Democratic Party |
| Leader Since2: | January 26, 2015 |
| Leaders Seat2: | 28–Salt Lake City |
| Last Election2: | 16 seats, 34.1% |
| Seats Before2: | 16 |
| Seats2: | 17 |
| Seat Change2: | 1 |
| Popular Vote2: | 389,899 |
| Percentage2: | 34.13% |
| Swing2: | 0.07% |
| Map Size: | 350px |
| Speaker | |
| Before Election: | Brad Wilson |
| Before Party: | Utah Republican Party |
| After Election: | Brad Wilson |
| After Party: | Utah Republican Party |
The 2020 Utah House of Representatives election was held in the U.S. state of Utah on November 3, 2020 to elect members to the House of Representatives. Elections were held in 75 electoral districts to elect two-year term members to the 64th Utah State Legislature. Elections were also held throughout the state for U.S. president, the U.S. House, and for the Utah Senate.
Primary elections were held on June 30, 2020.
The Republican Party retained majority control of the House by a large margin, losing only one seat to the Democratic Party in the process. This election was the first time the Democrats won 17 seats since 2010.
| Party | Candidates | Votes | Seats | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| % | Before | Up | Won | After | +/– | |||||
| Republican | 73 | 918,220 | 66.08% | 59 | 59 | 58 | 58 | 1 | ||
| Democratic | 54 | 418,843 | 30.14% | 16 | 16 | 17 | 17 | 1 | ||
| United Utah | 18 | 38,765 | 2.79% | 0 | 0 | 0 | 0 | |||
| Constitution | 6 | 10,403 | 0.75% | 0 | 0 | 0 | 0 | |||
| Libertarian | 2 | 2,395 | 0.17% | 0 | 0 | 0 | 0 | |||
| Others | 1 | 846 | 0.06% | 0 | 0 | 0 | 0 | |||
| Total | 1,389,472 | 100.00% | 75 | 75 | 75 | 75 | ||||
| Source: https://voteinfo.utah.gov/historical-election-results/ | ||||||||||
Districts where the margin of victory was under 10%: