Cognomen Ongrong (Ongrong 
) , in the world, is a rare surname. The cognomen Ongrong is characteristic of Thailand, where it is a very rare surname, and China, where it is an extremely rare surname. Likewise, Ongrong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ongrong | China, Cambodia, Thailand |