In the entire world, Ong Huat (Ong Huat 
) is a very rare boy's forename. The given name Ong Huat is characteristic of Eastern Asia, particularly China, where it is an extremely rare male name. Likewise, Ong Huat is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ong Huat | Malaysia, China |