Cognomen Cleio (Cleio 
) , globally, is an extremely rare family name. Much more prevalently, Cleio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cleio | Greece, South Africa, Brazil, United States, Philippines |
Sa, Teles, Santos, Correa, Duarte, Joseph, Junior, Andrade, Cardoso, Pereira, Louzada, Fragoso, Freitas, Felicio, Furtado, Monteiro, Saringan, Silveira, Calipondan, Ferreira, Oliveira, Rodrigues, Luizi, Diniz, David, Pocai, Mota, Cruz, Kerr, Rosa, Reis, Rela, Dias, Joao, Moura, Silva, Scandolara, Simas, Souza, Alves, Assis, Avila, Colen, Couto, Costa, Borba, Broni, Brone, Sousa, and Gasparetto