| Tourney Name: | Manitoba Centennial Cup |
| Year: | 1974 |
| Size: | 140px |
| Dates: | May 1974 |
| Num Teams: | 2 |
| Venues: | Nepean, Ontario |
| Type: | other |
| Winners: | Selkirk Steelers |
| Count: | 1 |
| Second: | Smiths Falls Bears |
| Games: | 7 |
| Prevseason: | 1973 |
| Nextseason: | 1975 |
The 1974 Centennial Cup is the fourth Tier II Junior "A" 1974 ice hockey National Championship for the Canadian Junior A Hockey League.
The Centennial Cup was competed for by the winners of the Western Canadian Champions and the Eastern Canadian Champions.
The finals were hosted by the Selkirk Steelers in the city of Nepean, Ontario.
Prior to Regionals
Wexford Raiders (OPJHL) defeated Windsor Spitfires (SOJHL) 4-games-to-3
Smiths Falls Bears (CJHL) defeated Lac Megantic Royals (QJAHL) 4-games-to-none
Charlottetown Islanders (IJHL) defeated Moncton Hawks (NBJHL) 3-games-to-2
| Game | Team | Score | Team | Score | |
|---|---|---|---|---|---|
| 1 | Selkirk Steelers | 5 | Smiths Falls Bears | 4 | |
| 2 | Selkirk Steelers | 7 | Smiths Falls Bears | 4 | |
| 3 | Selkirk Steelers | 0 | Smiths Falls Bears | 3 | |
| 4 | Selkirk Steelers | 2 | Smiths Falls Bears | 1 | |
| 5 | Selkirk Steelers | 4 | Smiths Falls Bears | 6 | |
| 6 | Selkirk Steelers | 4 | Smiths Falls Bears | 5 OT | |
| 7 | Selkirk Steelers | 1 | Smiths Falls Bears | 0 OT |
Eastern Champions: Smiths Falls Bears
Gander Jr. Flyers
Lac Megantic Royals