Canada competed at the 1984 Summer Olympics in Los Angeles, United States. Canada returned to the Summer Games after having participated in the American-led boycott of the 1980 Summer Olympics. 408 competitors, 257 men and 151 women, took part in 193 events in 23 sports.

Primarily due to the Soviet Union-led boycott of these Games, Canada enjoyed its best-ever results at the Summer Games, coming in sixth place in the number of Gold medals won, and fourth place in the total medals won - double their second best total in 1996 and 2016.

Women's Individual Competition:

Men's 100 metres

Men's 200 metres

Men's 400 metres

Men's 800 metres

Men's 5,000 metres

Men's 10,000 metres

Men's Marathon

Men's 110 metres Hurdles

Men's 400 metres Hurdles

Men's 3,000 metres Steeplechase

Men's 4×100 metres Relay

Men's 4×400 metres Relay

Men's High Jump

Men's Shot Put

Men's Discus Throw

Men's Javelin Throw

Men's Decathlon

Men's 20 km Walk

Men's 50 km Walk

Women's 100 metres

Women's 200 metres

Women's 400 metres

Women's 800 metres

Women's 1,500 metres

Women's 3,000 metres

Women's Marathon

Women's 100m Hurdles

Women's 400m Hurdles

Women's 4×100 metres Relay

Women's 4×400 metres Relay

Women's High Jump

Women's Shot Put

Women's Discus Throw

Women's Heptathlon

Canada competed in the Baseball tournament that was held as a demonstration sport. They finished 3rd in their pool, equivalent to 5th overall (tie).

Men's Flyweight (– 51 kg)

Men's Bantamweight (– 54 kg)

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