| League: | NHL |
| Season: | 1920–21 |
| Year: | 1920 |
| Leaguerank: | 3rd (1st half), 2nd (2nd half) |
| Record: | 4–6–0 (1st half), 9–5–0 (2nd half) |
| Generalmanager: | George Kennedy |
| Arena: | Mount Royal Arena |
| Winsleader: | Georges Vezina (13) |
| Gaaleader: | Georges Vezina (4.1) |
| Goalsleader: | Newsy Lalonde (33) |
| Assistsleader: | Louis Berlinquette (9) |
| Pointsleader: | Newsy Lalonde (41) |
| Pimleader: | Bert Corbeau (86) |
| Goalsfor: | 112 |
| Goalsagainst: | 99 |
| Coach: | Newsy Lalonde |
| Captain: | Newsy Lalonde |
| Team: | Montreal Canadiens |
The 1920–21 Montreal Canadiens season was the team's 12th season and fourth as a member of the National Hockey League (NHL). The Canadiens, for the second season in a row, did not qualify for the playoffs, finishing third in the first half and second in the second half of the season.
The team saw some turnover from the previous season's team. Harry Cameron, Billy Coutu, Jack Coughlin, Howard McNamara and Don Smith were gone. In their place was Billy Bell, Dave Campbell, Jack McDonald, Harry Mummery, Dave Ritchie and Cully Wilson. Coutu was traded to the new Hamilton Tigers for Mummery. Cameron returned to Toronto and picked up Wilson. McDonald and Ritchie were picked up as free agents while Campbell was a new professional from the Laval University ranks and would only play in three games.
Georges Vezina came third in the league in goals against average of 4.1 per game. Newsy Lalonde led the Canadiens in offence, scoring 32 goals and 10 assists to win the league scoring championship.
| Regular season results | ||||||
|---|---|---|---|---|---|---|
| No. | R | Date | Score | Opponent | Record | |
| 1 | L | December 22, 1920 | 0–5 | @ Hamilton Tigers (1920–21) | 0–1–0 | |
| 2 | L | December 25, 1920 | 4–5 | @ Toronto St. Patricks (1920–21) | 0–2–0 | |
| 3 | L | December 29, 1920 | 2–6 | Hamilton Tigers (1920–21) | 0–3–0 | |
| 4 | L | January 3, 1921 | 2–8 | @ Ottawa Senators (1920–21) | 0–4–0 | |
| 5 | W | January 8, 1921 | 5–4 | Ottawa Senators (1920–21) | 1–4–0 | |
| 6 | L | January 12, 1921 | 0–2 | @ Ottawa Senators (1920–21) | 1–5–0 | |
| 7 | W | January 15, 1921 | 6–4 | Hamilton Tigers (1920–21) | 2–5–0 | |
| 8 | W | January 17, 1921 | 9–5 | Toronto St. Patricks (1920–21) | 3–5–0 | |
| 9 | L | January 19, 1921 | 2–7 | @ Toronto St. Patricks (1920–21) | 3–6–0 | |
| 10 | W | January 22, 1921 | 7–5 | @ Hamilton Tigers (1920–21) | 4–6–0 | |
| Second half | ||||||
| 11 | W | January 26, 1921 | 5–3 | Ottawa Senators (1920–21) | 1–0–0 | |
| 12 | W | January 29, 1921 | 4–2 | Toronto St. Patricks (1920–21) | 2–0–0 | |
| 13 | L | February 2, 1921 | 5–6 | @ Hamilton Tigers (1920–21) | 2–1–0 | |
| 14 | L | February 5, 1921 | 6–10 | @ Toronto St. Patricks (1920–21) | 2–2–0 | |
| 15 | L | February 9, 1921 | 3–5 | Toronto St. Patricks (1920–21) | 2–3–0 | |
| 16 | W | February 12, 1921 | 3–1 | @ Ottawa Senators (1920–21) | 3–3–0 | |
| 17 | W | February 16, 1921 | 10–5 | Hamilton Tigers (1920–21) | 4–3–0 | |
| 18 | W | February 19, 1921 | 8–1 | Ottawa Senators (1920–21) | 5–3–0 | |
| 19 | W | February 23, 1921 | 3–1 | @ Ottawa Senators (1920–21) | 6–3–0 | |
| 20 | W | February 26, 1921 | 13–6 | Hamilton Tigers (1920–21) | 7–3–0 | |
| 21 | W | February 28, 1921 | 4–0 | Toronto St. Patricks (1920–21) | 8–3–0 | |
| 22 | W | March 2, 1921 | 7–1 | @ Hamilton Tigers (1920–21) | 9–3–0 | |
| 23 | L | March 5, 1921 | 0–1 | Ottawa Senators (1920–21) | 9–4–0 | |
| 24 | L | March 7, 1921 | 4–6 | @ Toronto St. Patricks (1920–21) | 9–5–0 | |
| Regular season stats | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Note: Pos = Position; GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes
MIN = Minutes played; W = Wins; L = Losses; T = Ties; GA = Goals-against; GAA = Goals-against average; SO = Shutouts;
† = spent time with another team before joining Canadiens, stats reflect time with the Canadiens only;
‡ = loaned to another team, stats reflect time with the Canadiens only;
The Canadiens did not qualify for the playoffs