| Election Name: | 2018 Montana elections |
| Country: | Montana |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2016 Montana elections |
| Previous Year: | 2016 |
| Next Election: | 2020 Montana elections |
| Next Year: | 2020 |
A general election was held in Montana on November 6, 2018. Montana's Class 1 United States Senate seat and its seat in the United States House of Representatives were up for elections, along with all of the seats in the Montana House of Representatives and half of the seats in the Montana Senate. Various local offices and ballot measures were also up for election. The primary election was held on June 5, 2018.[1]
See main article: 2018 United States Senate election in Montana. Incumbent Democrat Jon Tester won re-election.
See main article: 2018 United States House of Representatives election in Montana. Incumbent Republican Greg Gianforte won re-election.
See main article: 2018 Montana Senate election. 25 of the 50 seats in the Montana Senate were up for election in 2018.
See main article: 2018 Montana House of Representatives election. All 100 seats in the Montana House of Representatives were up for election in 2018.
See main article: 2018 Clerk of the Montana Supreme Court election. Incumbent Democrat Ed Smith did not run for re-election. Republican Bowen Greenwood defeated Democrat Rex Rank.