| Mode: | Basketball |
| Sex: | none |
| Year: | 2017–18 |
| Team: | Montana Grizzlies |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 26–8 |
| Conf Record: | 16–2 |
| Hc Year: | 4th |
| Asst Coach1: | Chris Cobb |
| Asst Coach2: | Rachi Wortham |
| Asst Coach3: | Jay Flores |
| Champion: | Big Sky regular season and tournament champions |
| Bowl Result: | First Round |
The 2017–18 Montana Grizzlies basketball team represented the University of Montana during the 2017–18 NCAA Division I men's basketball season. The Grizzlies, led by fourth-year head coach Travis DeCuire, played their home games at Dahlberg Arena in Missoula, Montana as members of the Big Sky Conference. They finished the season 26–8, 16–2 in Big Sky play to win the Big Sky regular season championship. They defeated North Dakota, Northern Colorado, and Eastern Washington to be champions of the Big Sky tournament. They earned the Big Sky's automatic bid to the NCAA tournament where they lost in the first round to Michigan.
The Grizzlies finished the 2016–17 season 16–16, 11–7 in Big Sky play to finish in a tie for fifth place. As the No. 5 seed in the Big Sky tournament, they lost to Idaho in the quarterfinals.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Reason for departure | |
|---|---|---|---|---|---|---|---|---|
| Mario Dunn, Jr. | 1 | G | 6'0" | 185 | Senior | Graduated | ||
| Walter Wright | 5 | G | 5'10" | 161 | Senior | Graduated | ||
| Alphonso Anderson | 10 | F | 6'6" | 218 | Freshman | Transferred to Moberly Area CC | ||
| Gavin DeJong | 30 | F | 6'6" | 215 | RS Sophomore | Walk-on; didn't return | ||
| Jack Lopez | 31 | F | 6'5" | 208 | Senior | Graduated | ||
| Aaron Misipeka-Ward | 32 | G | 6'2" | 198 | Senior | Graduated | ||
| Jared Samuelson | 33 | F | 6'7" | 213 | RS Freshman | Transferred to Rocky Mountain College | ||
| Brandon Gfeller | 34 | G | 6'4" | 189 | Senior | Graduated |
|-!colspan=9 style=| Exhibition|-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Big Sky regular season|-!colspan=9 style=| Big Sky tournament|-!colspan=9 style=| NCAA tournament