Orsonio \o-rso-nio, or-sonio\ as a boy's name is a variant of Orson (Latin), and the meaning of Orsonio is "bear".
The baby name Orsonio sounds like Arsenio, Arsinio, Arsanio, Orsino and Orsini. Other similar baby names are Arsino, Arseno, Arseni, Arseinio, Arseenio, Arcinio, Arcenio, Orazio, Orton, Orion, Oryon, Oron, Urson, Orsis, Orsin, Orsen and Ursino.