| Year: | 2011 |
| Team: | Montana State Bobcats |
| Sport: | football |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Tsnrank: | 7 |
| Fcscoachrank: | 7 |
| Record: | 10–3 |
| Conf Record: | 7–1 |
| Head Coach: | Rob Ash |
| Hc Year: | 5th |
| Off Coach: | Brian Wright |
| Oc Year: | 2nd |
| Def Coach: | Jamie Marshall |
| Dc Year: | 5th |
| Stadium: | Bobcat Stadium |
| Champion: | Big Sky champion |
| Bowl: | NCAA Division I Quarterfinal |
| Bowl Result: | L 13–49 vs. Sam Houston State |
The 2011 Montana State Bobcats football team represented Montana State University as a member of the Big Sky Conference during the 2011 NCAA Division I FCS football season. Led by fifth-year head coach Rob Ash, the Bobcats compiled an overall record of 10–3 with a mark of 7–1 in conference place play, sharing the Big Sky title with Montana. Montana vacated its share of the title on July 26, 2013, after the NCAA determined that Montana had played its final six games with ineligible players. Montana State received an at-large bid to the NCAA Division I Football Championship playoffs, where they defeated New Hampshire in the second round before falling to Sam Houston State in the quarterfinals. The Bobcats played their home games at Bobcat Stadium in Bozeman, Montana/