This is the 1964-65 Manitoba Intermediate 'AA' Hockey League Playoffs.
Regular Season[]
Teams[]
Semi-Final[]
Best of 7
| Game | Visitors | Goals | Home Team | Goals | Date | Venue |
| 1 | St. Boniface | 0 | Selkirk | 3 | Thursday, February 18, 1965 | Selkirk Arena |
| 2 | Selkirk | 5 | St. Boniface | 2 | Sunday, February 21, 1965 | Winnipeg Arena |
| 3 | St. Boniface | 3 | Selkirk | 8 | Tuesday, February 23, 1965 | Selkirk Arena |
| 4 | Selkirk | 2 | St. Boniface | 3 | Thursday, February 25, 1965 | Winnipeg Arena |
| 5 | St. Boniface | 2 | Selkirk | 6 | Sunday, February 28, 1965 | Selkirk Arena |
| Selkirk Fishermen defeated St Boniface Seals 4-games-to-1 | ||||||
Pattison Cup Championship[]
Best of 7
| Game | Visitors | Goals | Home Team | Goals | Date | Venue |
| 1 | Transcona | 5 | Selkirk | 2 | Thursday, March 4, 1965 | Selkirk Arena |
| 2 | Selkirk | 1 | Transcona | 3 | Sunday, March 7, 1965 | Transcona Arena |
| 3 | Selkirk | 7 | Transcona | 4 | Wednesday, March 10, 1965 | Transcona Arena |
| 4 | Transcona | 4 | Selkirk | 1 | Sunday, March 14, 1965 | Selkirk Arena |
| 5 | Selkirk | 3 | Transcona | 10 | Monday, March 15, 1965 | Transcona Arena |
| Transcona Lions defeated Selkirk Fishermen 4-games-to-1 | ||||||
- Transcona Lions advanced to the 1964-65 Western Canada Allan Cup Playoffs