 | |
| Tournament details | |
|---|---|
| Venue(s) | Guelph, Ontario |
| Dates | May 1978 |
| Teams | 2 |
| Final positions | |
Champions  | Guelph Platers (2nd title) |
Runner-up  | Prince Albert Raiders |
| Tournament statistics | |
| Games played | 4 |
| MVP | Terry Cullen (Guelph) |
The 1978 Centennial Cup is the eighth Tier II Junior "A" 1978 ice hockey National Championship for the Canadian Junior A Hockey League.
The Centennial Cup was competed for by the winners of the Abbott Cup/Western Canadian Champions and the Eastern Canadian Jr. A Champions.
The finals were hosted by the Guelph Platers in the city of Guelph, Ontario.