Heike John
Pilot, former spaceflight candidate, former swimmer
Heike John (now Heike Walpot; born 19 June 1960) is a retired German swimmer who won a bronze medal at the 1977 European Aquatics Championships. She competed at the 1976 Summer Olympics in the 100 m and 200 m backstroke events but did not reach the finals. During her career she won five national titles in the 100 m (1977) and 200 m (1977, 1978) backstroke and 200 m medley (1977, 1978). She missed the 1980 Summer Olympics because of their boycott by West Germany.