The 1990 Colorado Buffaloes football team represented the University of Colorado Boulder as a member of the Big Eight Conference during the 1990 NCAA Division I-A football season. The Buffaloes offense scored 338 points while the defense allowed 160 points. Led by head coach Bill McCartney, Colorado defeated Notre Dame 10–9 in the 1991 Orange Bowl to conclude the season. Georgia Tech finished the season undefeated (with its record only blemished by a tie), and subsequently split the national championship with Colorado.