Surname Wantoni (Wantoni 
) , around the world, is a rare family name. The family name Wantoni is habitual in Malaysia, where it is a very rare surname, Indonesia, and South Africa, where it is an extremely rare surname. Much less frequently, Wantoni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wantoni | Indonesia, South Africa, Brazil, Malaysia |