Mario Zatelli (21 December 1912 – 7 January 2004) was a French football (soccer) player and manager.
Born in Sétif, Algeria, but of Italian origin, he mostly played for Olympique de Marseille.
For the French national team he got 1 caps (scored 1 goal) in 1939.
He was in the roster also for 1938 FIFA World Cup, without playing any game.
He later managed Olympique de Marseille in the 1970s and won one Ligue 1 and Coupe de France in 1972.He died in Sainte-Maxime, Var, French Riviera, at 91 years old.