Ernő Nagy, Hungarian fencer (died 1977)

Ernő Nagy was a Hungarian fencer. He won a gold medal in the team sabre event at the 1932 Summer Olympics. Other members of the team included Aladár Gerevich, Gyula Glykais, Endre Kabos, Attila Petschauer, and György Piller. He retired from competition in 1938, at which point he became head of the fencing section of the Hungarian Athletics Club.