Cognomen Ijong (Ijong 
) , globally, is a rare surname. The cognomen Ijong is habitual in Indonesia, where it is a rare surname, Nigeria, where it is a very rare surname, and Australia. Likewise, Ijong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ijong | Indonesia, Malaysia, Australia, Nigeria, United States |