2020 Wyoming House of Representatives election
Members of the Wyoming House of Representatives were elected on November 3, 2020, as part of the 2020 Wyoming elections.
Primary elections were held on August 18, 2020. This election featured the first Libertarian state legislator elected anywhere in the United States since 2000, District 39 Representative Marshall Burt.
Retirements
Eleven incumbents did not run for re-election in 2020. Those incumbents are:Republicans
- District 14: Dan Furphy: Retiring
- District 31: Scott Clem: Retiring
- District 34: Tim Salazar: Retiring
- District 46: Bill Haley: Retiring
- District 49: Garry Piiparinen: Retiring
- District 50: David Northrup: Retiring
- District 55: David Miller: Retiring
- District 59: Bunky Loucks: Retiring
Democrats
- District 17: JoAnn Dayton-Selman: Retiring
- District 45: Charles Pelkey: Retiring
- District 60: John Freeman: Retiring
Incumbents defeated
In primary elections
Republicans
Five Republicans lost renomination.- District 1: Tyler Lindholm lost renomination to Chip Neiman.
- District 4: Dan Kirkbride lost renomination to Jeremy Haroldson.
- District 18: Thomas Crank lost renomination to Scott Heiner.
- District 40: Richard Tass lost renomination to Barry Crago.
- District 52: William Pownall lost renomination to Bill Fortner.
In the general election
Democrats
- District 39: Stan Blake lost to Marshall Burt.
- District 44: Sara Burlingame lost to John Romero-Martinez.
Close races
| District | Winner | Margin |
| District 55 | Republican | 0.8% |
| District 44 | Republican | 1.5% |
| District 14 | Democratic | 2.0% |
| District 33 | Democratic | 3.0% |
| District 45 | Democratic | 4.1% |
| District 8 | Republican | 6.0% |
| District 22 | Independent | 7.01% |
| District 39 | Libertarian | 8.7% |
| District 11 | Republican | 10.3% |
| District 54 | Republican | 16.8% |
| District 60 | Republican | 37.8% |