| Year: | 1998 |
| Team: | Montana Grizzlies |
| Sport: | football |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Tsnrank: | 14 |
| Record: | 8–4 |
| Conf Record: | 6–2 |
| Head Coach: | Mick Dennehy |
| Hc Year: | 3rd |
| Off Coach: | Brent Pease |
| Oc Year: | 3rd |
| Stadium: | Washington–Grizzly Stadium |
| Champion: | Big Sky champion |
| Bowl: | NCAA Division I-AA First Round |
| Bowl Result: | L 9–52 vs. Western Illinois |
The 1998 Montana Grizzlies football team represented the University of Montana in the 1998 NCAA Division I-AA football season. The Grizzlies were led by third-year head coach Mick Dennehy and played their home games at Washington–Grizzly Stadium.[1]