| Election Name: | 2018 Wyoming House of Representatives election |
| Country: | Wyoming |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2016 Wyoming House of Representatives election |
| Previous Year: | 2016 |
| Next Election: | 2020 Wyoming House of Representatives election |
| Next Year: | 2020 |
| Seats For Election: | All 60 seats in the Wyoming House of Representatives |
| Majority Seats: | 31 |
| Election Date: | November 6, 2018 |
| Leader1: | Steve Harshman |
| Party1: | Wyoming Republican Party |
| Leader Since1: | January 10, 2017 |
| Leaders Seat1: | 37th |
| Seats Before1: | 51 |
| Seats1: | 50 |
| Seat Change1: | 1 |
| Popular Vote1: | 136,565 |
| Percentage1: | 75.2% |
| Leader2: | Cathy Connolly |
| Party2: | Wyoming Democratic Party |
| Leader Since2: | January 10, 2017 |
| Leaders Seat2: | 13th |
| Seats Before2: | 9 |
| Seats2: | 9 |
| Popular Vote2: | 35,228 |
| Percentage2: | 19.4% |
| Party4: | Independent (United States) |
| Seats Before4: | 0 |
| Seats4: | 1 |
| Seat Change4: | 1 |
| Popular Vote4: | 5,931 |
| Percentage4: | 3.3% |
| Map Size: | 350px |
| Speaker | |
| Before Election: | Steve Harshman |
| Before Party: | Wyoming Republican Party |
| After Election: | Steve Harshman |
| After Party: | Wyoming Republican Party |
All 60 seats in the Wyoming House of Representatives were up for election on November 6, 2018, as part of the 2018 Wyoming elections. Primary elections were held on August 21.[1]
| Party | Candidates | Votes | % | Seats | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Before | Up | Won | After | +/– | ||||||
| Republican | 57 | 136,565 | 75.2 | 51 | 51 | 50 | 50 | 1 | ||
| Democratic | 25 | 35,228 | 19.4 | 9 | 9 | 9 | 9 | |||
| Independent | 4 | 5,931 | 3.3 | 0 | 0 | 1 | 1 | 1 | ||
| Libertarian | 1 | 1,592 | 0.9 | 0 | 0 | 0 | 0 | |||
| Write-in | 2,328 | 1.3 | ||||||||
| Total | 181,644 | 100% | 60 | |||||||
| Source:--> | ||||||||||
Source: [2]