Cognomen Adetonan (Adetonan 
) , around the world, is a very rare family name. The surname Adetonan is habitual in Sub-Saharan Africa, particularly Nigeria, where it is a very rare surname. Likewise, Adetonan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adetonan | Nigeria |