The 2011 Montana State Bobcats football team represented Montana State University in the 2011 NCAA Division I FCS football season. The Bobcats were led by fifth-year head coach Rob Ash and played their home games at Bobcat Stadium. Montana State is a member of the Big Sky Conference. They finished the season 10–3, 7–1 in Big Sky play to win the conference championship after it was determined on July 26, 2013 by the NCAA that Montana had played its final six games with ineligible players. Montana State and Montana had finished tied for the conference title at 7-1 prior to the NCAA ruling. MSU received an at-large bid into the FCS playoffs where they defeated New Hampshire in the second round before falling to Sam Houston State in the quarterfinals.