1891 AHAC season

The 1891 Amateur Hockey Association of Canada season saw the Montreal Hockey Club win the league and Canadian championship for the fourth straight season by beating the Montreal Crescents 8-2.

Ottawa, the eventual Ontario champion, played in a challenge with Montreal and lost.

The Dominion Hockey Club did not return to put on a challenge.

The Ottawa Hockey Club returned to AHAC play.

As a result, Quebec was not allowed to issue any additional challenges for the 1891 season.