(silver) Wilhelm Lützow (a.k.a. Willy)
1912 swimming - 200 m breaststroke
(silver) Willy Schärer
1924 1500 m
(silver/gold) Willy den Ouden
1932; 1936 swimming - 4x100 m freestyle relay; swimming - 100 m freestyle
(bronze) Willy Gysi
1936 handball
(bronze) Ernst Larsen (middle name Willy)
1956 3000 m steeplechase
(bronze) Willy Hernangómez
2016 basketball