These were the 1954-55 United States National Senior Hockey Championships
Senior Tournament
@Lewiston
- First round
- 4/2: New Haven Nutmeggers - New York Metropolitans 7:2
- 4/2: Lewiston Bates Manufacturing Co. - Taconite Hornets 11:3
- Semifinals
- 4/3: New Haven Nutmeggers - Detroit 5:4
- 4/3: Lewiston Bates Manufacturing Co. - Arlington Arcadians 5:2
- Final
- 4/3: New Haven Nutmeggers - Lewiston Bates Manufacturing Co. 5:3
Intermediate Championship
Best of 3
- 3/19: Warroad Lakers - Great Falls Americans 11:8
- 3/20: Warroad Lakers - Great Falls Americans 7:6