Surname Onyong (Onyong 
) , worldwide, is a rare last name. The cognomen Onyong is habitual in Cameroon, where it is a rare surname, Thailand, where it is a very rare surname, and Philippines. Not in comparison with a country's population, it most frequently occurs in Cameroon, Nigeria, and Indonesia. Likewise, Onyong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onyong | Thailand, Nigeria, Indonesia, Philippines, Cameroon |