| Tournament details | |
|---|---|
| Venue(s) | North York, Ontario |
| Dates | May 1980 |
| Teams | 3 |
| Final positions | |
Champions  | Red Deer Rustlers (2nd title) |
Runner-up  | North York Rangers |
Third place  | Sherwood-Parkdale Metros |
| Tournament statistics | |
| Games played | 7 |
| Scoring leader(s) | Bill Colville (North York) |
| MVP | Brent Sutter (Red Deer) |
The 1980 Centennial Cup is the tenth Tier II Junior "A" 1980 ice hockey National Championship for the Canadian Junior A Hockey League.
The Centennial Cup was competed for by the winners of the Abbott Cup, Dudley Hewitt Cup, and the Callaghan Cup.
The tournament was hosted by the North York Rangers in the city of North York, Ontario.