Family name Onkon (Onkon 
) , all over the world, is a rare surname. The surname Onkon is habitual in the Democratic Republic of the Congo, where it is a rare surname, Bangladesh, and Thailand, where it is a very rare surname. Very seldom, Onkon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onkon | Democratic Republic of the Congo, Bangladesh, Thailand, Nigeria |