Cecil Mordecai Hart (November 28, 1883 – July 16, 1940) was a head coach and general manager of the Montreal Canadiens in the National Hockey League.

Hart helped lead the Montreal Canadiens to two Stanley Cups, in 1930 and 1931.

When the Canadiens were reclining near the cellar in 1938–39, Cecil resigned as coach and manager.

[2] Only eighteen other people have won multiple Stanley Cups besides Hart as a head coach, although he is not currently inducted into the Hockey Hall of Fame despite being eligible.

[3] Hart later became vice president and treasurer of the Quebec, Ontario and Vermont Baseball League also before his untimely death.