San Nazzaro may refer to the following places:
Italy San Nazzaro, Campania, a comune in the Province of Benevento San Nazzaro Sesia, a comune in the Province of Novara, Piedmont San Nazzaro Val Cavargna, a comune in the Province of Como, Lombardy
Switzerland San Nazzaro, Switzerland, a former comune in the Canton of Ticino