Family name Onkor (Onkor 
) , all around the world, is a very rare surname. The family name Onkor is habitual in Thailand, where it is a very rare surname, China, where it is an extremely rare surname, and India. Also, Onkor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onkor | India, China, Thailand, Nigeria |