Last name Suantio (Suantio 
) , all around the world, is a very rare surname. The family name Suantio is habitual in Indonesia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Suantio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suantio | Indonesia, United States, Thailand |