The 1965–66 AHL season was the 30th season of the American Hockey League. Nine teams played 72 games each in the schedule. The league played a limited interlocking schedule with the Western Hockey League which was repeated two seasons later. The Quebec Aces finished first overall in the regular season. The Rochester Americans won their second consecutive Calder Cup championship.

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

Calder Cup playoffs

Trophy and award winners