Cognomen Ylio (Ylio 
) , all around the world, is a very rare family name. The surname Ylio is habitual in Philippines, where it is a very rare surname, Venezuela, and the United States, where it is an extremely rare surname. Also, Ylio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ylio | Philippines, Brazil, United States, Peru, Venezuela |