Petronio

Petronio may refer to:

People:
 * Petronio Fancelli (1734–1800), Italian painter
 * Petronio Franceschini (1650–1680), Baroque music composer from Bologna
 * Petrônio Gontijo (born 1968), Brazilian actor
 * Bruno Petronio (1936–2002), Italian Olympic sailor
 * Renato Petronio (1891–1976), Italian rower
 * Stephen Petronio (born 1956), artistic director, choreographer & dancer in New York City
 * Petronio Veroni (1600–1653), Roman Catholic prelate, Bishop of Boiano

Churches:
 * San Petronio Basilica, the main church of Bologna, the old città d'arte in the Emilia Romagna region of Italy
 * Santi Giovanni Evangelista e Petronio, the national church of the Bolognese on the Via del Mascherone, Rome