Cognomen Clyo (Clyo 
) , across the world, is a very rare surname. The surname Clyo is characteristic of Latin America and the Caribbean, particularly Mexico, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Likewise, Clyo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clyo | Philippines, Argentina, Brazil, United States, Mexico |