Ascoli Piceno Cathedral (Italian: Duomo di Ascoli Piceno; Cattedrale di Sant'Emidio) is a Roman Catholic cathedral dedicated to Saint Emygdius in Ascoli Piceno, Marche, Italy. It is the episcopal seat of the Diocese of Ascoli Piceno.
Coordinates: 42°51′13″N 13°34′43″E / 42.8535°N 13.5786°E