Jo Zwaan
Jo Zwaan was a Dutch sprinter. He competed in the Men's 100 m and 4 × 100 m relay events at the 1948 Summer Olympics. Two years earlier he had already been present at the 1946 European Athletics Championships as part of the Dutch 4 × 100 m relay team, that finished in 4th position in 42.3 seconds.
His brother Jan was also an Olympic sprinter; he participated in the 110 m hurdles event at the 1948 Games.
