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. Ontario launched the Ontario Hockey Association (OHA) as the popularity of the sport spread west. Ottawa, the eventual Ontario champion, played in a challenge with Montreal and lost.

Season
The Dominion Hockey Club did not return to put on a challenge. The Shamrock Athletic Association mounted their first challenge. The Ottawa Hockey Club returned to AHAC play.

Overall challenge record
Quebec lost to Montreal by default on January 7. As a result, Quebec was not allowed to issue any additional challenges for the 1891 season.

† National champion. The Montreals retained their championship all season without being defeated.

Schedule and results
Games consisted of a mixture of Challenge games and Exhibition (friendlies)

Game on January 7 was defaulted to Montreal HC by Quebec. Quebec telegraphed that the team would not show.

Goaltending averages
Note: GP = games played, GA = goals against, SO = shutouts, GAA = Goals against average Source: Ultimate Hockey

Scoring leaders
Note: GP = games played, G = goals scored Source: Ultimate Hockey

17 Goals un accounted for in statistics