ORAZIO: Italian form of Roman Latin Horatius, meaning "has good eyesight."
ORFEO: Italian form of Greek Orpheus, meaning either "deprived" or "darkness."
ORLANDO: Italian form of Latin Orlandus, meaning "famous land."
ORSINO: Italian form of Roman Latin Ursinus, meaning "bear-like."
ORSO: Italian form of Roman Latin Ursus, meaning "bear."
OSVALDO: Italian, Portuguese and Spanish form of Latin Osvaldus, meaning "divine power" or "divine ruler."
OTTAVIANO: Italian form of Roman Latin Octavianus, meaning "eighth."
OTTAVIO: Italian form of Roman Latin Octavius, meaning "eighth."
OVIDIO: Italian and Spanish form of Roman Latin Ovidius, meaning "sheep herder."
ORFEO: Italian form of Greek Orpheus, meaning either "deprived" or "darkness."
ORLANDO: Italian form of Latin Orlandus, meaning "famous land."
ORSINO: Italian form of Roman Latin Ursinus, meaning "bear-like."
ORSO: Italian form of Roman Latin Ursus, meaning "bear."
OSVALDO: Italian, Portuguese and Spanish form of Latin Osvaldus, meaning "divine power" or "divine ruler."
OTTAVIANO: Italian form of Roman Latin Octavianus, meaning "eighth."
OTTAVIO: Italian form of Roman Latin Octavius, meaning "eighth."
OVIDIO: Italian and Spanish form of Roman Latin Ovidius, meaning "sheep herder."