| Year: | 2018 |
| Conference: | WAC |
| Division: | I |
| Gender: | Men's |
| Teams: | 8 |
| Arena: | Orleans Arena |
| City: | Paradise, Nevada |
| Champions: | New Mexico State |
| Titlecount: | 8th |
| Coach: | Chris Jans |
| Coachcount: | 1st |
| Mvp: | Jemerrio Jones |
| Mvpteam: | New Mexico State |
| Television: | ESPN3, ESPNU |
The 2018 WAC men's basketball tournament was the postseason men's basketball tournament for the Western Athletic Conference for the 2017–18 season. All tournament games will be played at the Orleans Arena in Paradise, Nevada, from March 8–10, 2018. The winner of the tournament will receive the conference's automatic bid to the NCAA tournament. Regular-season champion New Mexico State also won the WAC Tournament championship and received the conference's automatic bid to the NCAA tournament.
All eight teams in the WAC were eligible to compete in the conference tournament. Teams were seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records.
| Seed | School | Conference | Tiebreaker | Tiebreaker 2 |
|---|---|---|---|---|
| 1 | New Mexico State | 12–2 | ||
| 2 | Utah Valley | 10–4 | ||
| 3 | Grand Canyon | 9–5 | ||
| 4 | Seattle | 8–6 | ||
| 5 | UT Rio Grande Valley | 6–8 | ||
| 6 | UMKC | 5–9 | 1–1 vs. CSUB | 1–1 vs. UVU |
| 7 | Cal State Bakersfield | 5–9 | 1–1 vs. UMKC | 0–2 vs. UVU |
| 8 | Chicago State | 1–13 | ||
| Game | Time[1] | Matchup | Score | Television | |
|---|---|---|---|---|---|
| Quarterfinals – Thursday, March 8 | |||||
| 1 | 12:00 pm | No. 3 Grand Canyon vs No. 6 UMKC | 77–74 | ||
| 2 | 2:30 pm | No. 2 Utah Valley vs No. 7 Cal State Bakersfield | 81–74 | ||
| 3 | 6:00 pm | No. 1 New Mexico State vs No. 8 Chicago State | 97–70 | ||
| 4 | 8:30 pm | No. 4 Seattle vs No. 5 UT Rio Grande Valley | 77–60 | ||
| Semifinals – Friday, March 9 | |||||
| 5 | 6:00 pm | No. 3 Grand Canyon vs No. 2 Utah Valley | 75–60 | ESPN3 | |
| 6 | 8:30 pm | No. 1 New Mexico State vs No. 4 Seattle | 84–79 | ||
| Final – Saturday, March 10 | |||||
| 7 | 7:00 pm | No. 3 Grand Canyon vs No. 1 New Mexico State | 58–72 | ESPNU | |
| Game times in PST. Rankings denote tournament seed. | |||||
Source[2]