| Tournament details | |
|---|---|
| Venue(s) | Edmonton, Alberta |
| Dates | May 1975 |
| Teams | 2 |
| Final positions | |
Champions  | Spruce Grove Mets (1st title) |
Runner-up  | Guelph Biltmore Mad Hatters |
| Tournament statistics | |
| Games played | 6 |
| Scoring leader(s) | Ron Lecuyer (Spruce Grove) |
| MVP | Ron Lecuyer (Spruce Grove) |
The 1975 Centennial Cup is the fifth Tier II Junior "A" 1975 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 Spruce Grove Mets in the city of Edmonton, Alberta, Canada.