| Year: | 1966 |
| Team: | Montana State Bobcats |
| Sport: | football |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 8–3 |
| Conf Record: | 4–0 |
| Head Coach: | Jim Sweeney |
| Hc Year: | 4th |
| Stadium: | Gatton Field |
| Champion: | Big Sky champion |
| Bowl: | Camellia Bowl |
| Bowl Result: | L 7–28 vs. San Diego State |
The 1966 Montana State Bobcats football team was an American football team that represented Montana State University in the Big Sky Conference during the 1966 NCAA College Division football season. In its fourth season under head coach Jim Sweeney, the team compiled an 8–3 record (4–0 against Big Sky opponents) and won the conference championship.[1]