The 1984 Budweiser GT 1000 Kilometers was the sixth round of the 1984 World Endurance Championship. It took place at Mosport Park, Canada on 5 August 1984.
Several World Championship competitors opted not to participate in the Mosport round, including all B class entries. Three GTO class cars from the IMSA GT Championship chose to enter the round.
Class winners in bold. Cars failing to complete 75% of the winner's distance marked as Not Classified (NC).