Last name Silidio (Silidio 
) , in the entire world, is a very rare cognomen. The family name Silidio is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname. Much less frequently, Silidio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silidio | Brazil, Philippines, United States |