1991 college football season

The 1991 college football season may refer to:


 * 1991 NCAA Division I-A football season
 * 1991 NCAA Division I-AA football season
 * 1991 NCAA Division II football season
 * 1991 NCAA Division III football season
 * 1991 NAIA Division I football season
 * 1991 NAIA Division II football season