| Tournament details | |
|---|---|
| Venue(s) | Orillia, Ontario |
| Dates | May 1985 |
| Teams | 4 |
| Final positions | |
Champions  | Orillia Travelways (1st title) |
Runner-up  | Penticton Knights |
Third place  | Aurora Tigers |
| Fourth place | Cole Harbour Colts |
| Tournament statistics | |
| Games played | 8 |
| Scoring leader(s) | Joe Murphy (Penticton) |
| MVP | Adam Lewis (Orillia) |
The 1985 Centennial Cup is the 15th Junior "A" 1985 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, the Callaghan Cup, and a 'Host' team.
The tournament was hosted by the Orillia Travelways in the city of Orillia, Ontario.