Atreo \a-treo, at-reo\ as a boy's name is of Spanish and Greek origin. Uncertain meaning.

Baby names that sound like Atreo are Autrey, Adare, Autry and Uther. Other similar baby names are Aaro, Atlee, Arrio, Ario, Artro, Atef, Ateef, Atley, Atlea and Atilo.