Jean Collas (3 July 1874 in Paris – 30 December 1928 in Asnières-sur-Seine, France) was a French rugby union player and tug of war competitor, who competed in the 1900 Summer Olympics. He was a member of the French rugby union team, which won the gold medal. He also participated in the tug of war competition and won a silver medal as a member of the French team.
Vladimir Aïtoff (August 5, 1879 in Paris – Septempber 6, 1963 in Paris) was a French rugby union player who competed in the 1900 Summer Olympics. Aïtoff was a member of the French rugby union team, which won the gold medal. During World War I, Aïtoff was a doctor in the French Army, with him being awarded with the Croix de Guerre and the Légion d'honneur. In World War II, he was imprisoned in both the Buchenwald and Auschwitz concentration camps.