The 1984 Centennial Cup is the 14th Junior "A" 1984 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 Maritimes champions did not compete for the Eastern championship. The finals were hosted by the Weyburn Red Wings in the city of Weyburn, Saskatchewan.

The Playoffs

Prior to the Regionals

MCC Finals

Regional Championships

Roll of League Champions

Awards