The 1920–21 Toronto St. Patricks season was the Toronto National Hockey League (NHL) franchise's fourth season, second as the St. Patricks. The club won the regular season schedule, but lost in the playoffs and did not play for the Stanley Cup.

Offseason

Regular season

Final standings

Record vs. opponents

Schedule and results

Playoffs

The St. Patricks qualified first in the second half and played the Senators for the league championship. The Senators defeated the St. Patricks (5–0 and 2–0) to progress to the Stanley Cup Finals against the Vancouver Millionaires, who they also defeated three games to two.

Player statistics

Scorers

Awards and records

Transactions