1951 Alexander Cup
The 1951 Alexander Cup was the Canadian national major ('open' to both amateur and professional leagues) senior ice hockey championship for the 1950-51 season.
League Champions
- Western Canada Major Hockey League (WHL) - Saskatoon Quakers
- Ontario Hockey Association (OHA) - Toronto St. Michael's Monarchs
- Quebec Senior Hockey League (QSHL) - Valleyfield Braves
- Maritime Major Hockey League (MMHL) - Charlottetown Islanders
- Cape Breton Senior Hockey League (CBSHL) - Sydney Millionaires
Quarterfinals
- Sydney Millionaires beat Charlottetown Islanders 4-2, 2 ties, on series.
Semifinals
- Toronto St. Michaels Monarchs beat Saskatoon Quakers 4-0 on series.
- Valleyfield Braves beat Sydney Millionaires 4-2 on series.
Final
Best of 7:
- Valleyfield 4 Toronto 1
- Toronto 4 Valleyfield 1
- Toronto 4 Valleyfield 4
- Toronto 6 Valleyfield 1
- Valleyfield 7 Toronto 4
- Valleyfield 4 Toronto 1
QSHL's Valleyfield Braves beat OHA's Toronto St Michaels Monarchs 9 points to 5.