San Demetrio

San Demetrio may refer to:


 * San Demetrio Corone, town and municipality in the Calabria region of Italy
 * San Demetrio ne' Vestini, commune and town in the Province of L'Aquila in the Abruzzo region of Italy
 * San Demetrio London, a 1943 British World War II docudrama
 * MV San Demetrio, British motor tanker