Last name Sunio (Sunio 
) , all over the world, is quite a rare surname. The cognomen Sunio is characteristic of Philippines, where it is quite a rare surname, Finland, where it is a rare surname, and Saudi Arabia. In absolute terms, it most frequently occurs in Philippines, the United States, and Saudi Arabia. Very seldom, Sunio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sunio | Saudi Arabia, Malaysia, United States, Indonesia, Philippines |