| Election Name: | 2018 West Virginia House of Delegates elections |
| Country: | West Virginia |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2016 West Virginia House of Delegates election |
| Previous Year: | 2016 |
| Election Date: | November 6, 2018 |
| Next Election: | 2020 West Virginia House of Delegates election |
| Next Year: | 2020 |
| Seats For Election: | All 100 seats in the West Virginia House of Delegates |
| Majority Seats: | 51 |
| Image1: | GOP |
| Leader1: | Roger Hanshaw |
| Party1: | West Virginia Republican Party |
| Leader Since1: | August 29, 2018 |
| Leaders Seat1: | 33rd district |
| Seats Before1: | 63 |
| Seats1: | 59 |
| Seat Change1: | 4 |
| Percentage1: | 50.2% |
| Leader2: | Tim Miley |
| Leader Since2: | January 7, 2015 |
| Party2: | West Virginia Democratic Party |
| Leaders Seat2: | 48th district |
| Seats Before2: | 37 |
| Seats2: | 41 |
| Seat Change2: | 4 |
| Percentage2: | 48.3% |
| Party4: | Independent (United States) |
| Seats Before4: | 0 |
| Seats Needed4: | 0 |
| Seats4: | 0 |
| Percentage4: | 1.6% |
| Speaker | |
| Before Election: | Roger Hanshaw |
| Before Party: | West Virginia Republican Party |
| After Election: | Roger Hanshaw |
| After Party: | West Virginia Republican Party |
| Map Size: | 100px |
Elections to the West Virginia House of Delegates took place on November 6, 2018.[1] All the seats in the West Virginia House of Delegates were up for election.
This election saw the Republican Party maintain their majority in the House of Delegates, although they sustained a net loss of 4 seats, being reduced from 63 seats to 59. The Democratic Party saw a net gain of 4 seats, from 37 to 41.
In the first sitting of the 84th legislature in January 2019, Roger Hanshaw was re-elected as Speaker of the West Virginia House of Delegates.