Noël Delberghe (25 December 1897 in Tourcoing – 17 September 1965) was a French water polo player who competed in the 1924 Summer Olympics. He was part of the French team which won the gold medal. He played all four matches and scored one goal.
Charles Devendeville (8 March 1882 in Lesquin – 19 September 1914 in Reims) was a French swimmer and Olympic champion. He competed at the 1900 Olympic Games in Paris, where he received a gold medal in the underwater swimming. He died of injuries during the First World War, at age 32.
Alfred Nakache (1915–1983) was a Jewish French swimmer and water polo player. A member of the French team for the 1936 Berlin Summer Olympic Games, he also swam in the first post-war Summer Olympics in London in 1948. He and Ben Helfgott are the only known Jewish athletes to have competed in the Olympics after surviving the Holocaust.