The 1991 Orange Bowl was the 57th edition of the college football bowl game, played at the Orange Bowl in Miami, Florida, on Tuesday, January 1. Part of the 1990–91 bowl game season, it matched the independent and fifth-ranked Notre Dame Fighting Irish and the #1 Colorado Buffaloes of the Big Eight Conference. It was a rematch of the previous year, in which #4 Notre Dame defeated #1 Colorado, 21–6. This time, Colorado won by a point, 10–9, and won a share of the national championship.