| Mode: | Basketball |
| Year: | 1977–78 |
| Prev Year: | 1976–77 |
| Next Year: | 1978–79 |
| Team: | Montana Grizzlies |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 20 - 8 |
| Conf Record: | 12 - 2 |
| Hc Year: | 2nd |
The 1977–78 Montana Grizzlies basketball team represented the University of Montana during the 1977–78 NCAA Division I basketball season. Charter members of the Big Sky Conference, the Grizzlies were led by second-year head coach Jim Brandenburg and played their home games on campus at Adams Field House in Missoula, Montana.
They finished the regular season at 19–7, with a record in conference to win the title and host the four-team Big Sky tournament.[1] [2] The Grizzlies defeated fourth-seed Boise State in the then were upset by third-seed Weber State in the final Montana had swept the season series with Weber.
The Grizzlies were led on the court by senior guard Micheal Ray Richardson,[3] on the all-conference team for a third consecutive year; junior forward Allan Nielsen was on the second team.[4] [5] An honorable mention All-American, Richardson was the fourth overall selection of the 1978 NBA draft and a four-time NBA All-Star.
|-!colspan=6 style=| Big Sky tournament