A single diver represented Canada in 1920. It was the nation's third appearance in the sport. Flint competed in all three of the men's events, but did not reach the final in any. ; Men Ranks given are within the semifinal group.
Swimming
Three swimmers, all male, represented Canada in 1920. It was the nation's third appearance in the sport. Hodgson was unable to successfully defend his 1912 championships in the 400 and 1500 metre freestyle events, not even reaching the final in either; Vernot took a bronze and a silver in those events. Ranks given are within the heat. ; Men
Athletics
14 athletes represented Canada in 1920. It was the nation's fifth appearance in the sport, having competed in athletics every time the country competed at the Olympics. The best result for the team was Thomson's gold medal in the high hurdles, as Canada took a gold medal in athletics for the fifth straight Games. Ranks given are within the heat.
Boxing
Eight boxers represented Canada at the 1920 Games. It was the nation's debut appearance in boxing. Five of the boxers won medals, with Schneider taking the only championship while others took two silvers and two bronzes.
Cycling
Five cyclists represented Canada in 1920. It was the nation's third appearance in the sport. Macdonald's fifth-place finish in the 50 kilometres was the best result of the Games for the Canadian cyclists.
Canada competed in the inaugural Olympic ice hockey tournament. The team won its three matches to take the gold medal, outscoring opponents 29 to 1. ; Quarterfinals ; Semifinals ; Final ;Final rank: Gold
Rowing
Five rowers represented Canada in 1920. It was the nation's fourth straight appearance in the sport. Canada sent one boat, in the coxed fours. It was unable to advance past the semifinals, taking third place in the three-boat heat. Ranks given are within the heat.
Shooting
Seven shooters represented Canada in 1920. It was the nation's third appearance in the sport. For the second straight Games, the Canadian shooters were unable to earn any medals.
Wrestling
A single wrestler competed for Canada in 1920. It was the nation's second appearance in the sport.
