Family name Casinillio (Casinillio 
) , across the world, is a very rare cognomen. The surname Casinillio is characteristic of South-eastern Asia, particularly Philippines, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Casinillio | Philippines |
Lyza, Belen, Dominga, Annabelle, and Anna Corazon