Ario may refer to: Places Ario Municipality, Mexico Ario de Rosales, main town of Ario Municipality Other Ario Barzan, who was an ancient royal Persian commander who led a last stand of the Persian army against Alexander the Great. The group of Ito Yokado Ario (software), a client for the Music Player Daemon and XMMS2 Arius, a Christian priest in Alexandria, Egypt in the early fourth century Arío, a musician from Costa Rica and former member of Glaciar Ario-, Gaulic surname related to the designation "Aryan"