Cognomen Jonilas (Jonilas 
) , throughout the world, is a rare family name. The cognomen Jonilas is characteristic of Philippines, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Jonilas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jonilas | India, United States, Philippines |