Diorio or DiOrio is a surname. Notable people with the surname include:
Derek Diorio, Canadian writer and actor Dominick DiOrio, American composer and conductor Jerry Diorio, American football player Joe Diorio, American jazz guitarist Nicholas DiOrio, American soccer player Ron Diorio, American baseball player Tyce Diorio, American dancer Verónica Diorio, fictional character from Graduados Jeffrey DiOrio, American entrepreneur of Elite Chess
See also Ferdinando Di Orio, Italian physician and politician Diorios, village in Cyprus