1990–91 AHL season

The 1990–91 AHL season was the 55th season of the American Hockey League. Fifteen teams played 80 games each in the schedule. The Rochester Americans finished first overall in the regular season. The Springfield Indians won their seventh and final Calder Cup championship.

Team changes

 * The Binghamton Whalers became the Binghamton Rangers.
 * The Sherbrooke Canadiens moved to Fredericton, New Brunswick, becoming the Fredericton Canadiens.
 * The Capital District Islanders joined the AHL as an expansion team, based in Troy, New York, playing in the South Division.

Final standings
Note: GP = Games played; W = Wins; L = Losses; T = Ties; GF = Goals for; GA = Goals against; Pts = Points;

Scoring leaders
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes
 * complete list

Calder Cup playoffs

 * Note: Preliminary Round was played as a two-game, total-goals series

Trophy and award winners

 * Team awards
 * Individual awards
 * Other awards