(gold) Douglas Lowe
1924; 1928 800 m

(bronze) Fritz Pollard Jr. (a.k.a. Douglas)
1936 110 m hurdles

(silver) Doug Peden (a.k.a. Douglas)
1936 basketball

(silver) Gordon Pirie (a.k.a. Douglas)
1956 5000 m

(gold) Douglas Russell
1968 swimming - 100 m butterfly; swimming - 4x100 m medley relay

(gold) Dick Fosbury (a.k.a. Douglas)
1968 high jump

(silver) Doug Collins (a.k.a. Douglas)
1972 basketball

(bronze) Douglas Northway
1972 swimming - 1500 m freestyle

(silver) Douglas Burke
1984 water polo

(silver) Douglas Kimbell
1988 water polo

(silver) Douglas Wakiihuri
1988 marathon

(gold/bronze) Douglas Gjertsen
1988; 1992 swimming - 4x200 m freestyle relay

(silver) Douglas Csima
2012 rowing
