| Year: | 2018 |
| Conference: | Mountain West Conference |
| Division: | I |
| Gender: | Men's |
| Teams: | 11 |
| Arena: | Thomas & Mack Center |
| City: | Paradise, Nevada |
| Champions: | San Diego State |
| Titlecount: | 5th |
| Coach: | Brian Dutcher |
| Coachcount: | 1st |
| Mvp: | Trey Kell |
| Mvpteam: | San Diego State |
| Attendance: | 35,565 |
| Television: | Stadium, CBSSN, CBS |
The 2018 Mountain West Conference men's basketball tournament was the postseason men's basketball tournament for the Mountain West Conference. It was held from March 7–10, 2018 at the Thomas & Mack Center on the campus of University of Nevada, Las Vegas, in Las Vegas, Nevada. San Diego State defeated New Mexico in the championship game to win the tournament receive the conference's automatic bid to the NCAA tournament.[1] [2]
All 11 MW schools were eligible to participate in the tournament. Teams were seeded by conference record, with a ties broken by record between the tied teams followed by record against the regular-season champion, if necessary. As a result, the top five teams receive a bye to the quarterfinals of the tournament. Tiebreaking procedures will remain unchanged from the 2017 tournament:
| Seed | School | Conf | Tiebreaker | |
|---|---|---|---|---|
| 1 | Nevada | 15–3 | ||
| 2 | Boise State | 13–5 | ||
| 3 | New Mexico | 12–6 | ||
| 4 | Fresno State | 11–7 | 2–0 vs San Diego State | |
| 5 | San Diego State | 11–7 | 0–2 vs Fresno State | |
| 6 | Wyoming | 10–8 | ||
| 7 | Utah State | 8–10 | 2–0 vs UNLV | |
| 8 | UNLV | 8–10 | 0–2 vs Utah State | |
| 9 | Air Force | 6–12 | ||
| 10 | Colorado State | 4–14 | ||
| 11 | San Jose State | 1–17 |
| Game | Time | Matchup | Score | Television | Attendance | |
|---|---|---|---|---|---|---|
| First round – Wednesday, March 7 | ||||||
| 1 | 11:00 am | No. 8 UNLV vs. No. 9 Air Force | 97–90 OT | Stadium | 4,994 | |
| 2 | 1:30 pm | No. 7 Utah State vs. No. 10 Colorado State | 76–65 | |||
| 3 | 4:00 pm | No. 6 Wyoming vs. No. 11 San Jose State | 74–61 | |||
| Quarterfinals – Thursday, March 8 | ||||||
| 4 | Noon | No. 1 Nevada vs. No. 8 UNLV | 79–74 | CBSSN | 6,753 | |
| 5 | 2:30 pm | No. 4 Fresno State vs. No. 5 San Diego State | 52–64 | |||
| 6 | 6:00 pm | No. 2 Boise State vs. No. 7 Utah State | 75–78 | 7,138 | ||
| 7 | 8:30 pm | No. 3 New Mexico vs. No. 6 Wyoming | 85–75 | |||
| Semifinals – Friday, March 9 | ||||||
| 8 | 6:00 pm | No. 1 Nevada vs. No. 5 San Diego State | 73–90 | CBSSN | 8,224 | |
| 9 | 8:30 pm | No. 3 New Mexico vs. No. 7 Utah State | 83–68 | |||
| Championship – Saturday, March 10 | ||||||
| 10 | 3:00 pm | No. 3 New Mexico vs. No. 5 San Diego State | 75–82 | CBS | 8,456 | |
| Game times in PT. Rankings denote tournament seeding. | ||||||
* denotes overtime period