Japan competed at the 1952 Summer Olympics in Helsinki, Finland. Japan returned to the Olympic Games after not being invited to the 1948 Summer Olympics because of the nations's role in World War II. 69 competitors, 58 men and 11 women, took part in 60 events in 13 sports.
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Men's Individual Road Race (190.4 km)
Men's 1.000m Time Trial
Men's 1.000m Sprint Scratch Race
One fencer, Shinichi Maki, represented Japan in 1952.
Japan had five male rowers participate in one out of seven rowing events in 1952.
One shooter represented Japan in 1952.
<small>Ranks given are within the heat.</small>
<small>Ranks given are within the heat.</small>