Family name Idong (Idong 
) , globally, is quite a rare surname. The last name Idong is characteristic of Nigeria, where it is a rare surname, Philippines, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Nigeria, Philippines, and Indonesia. Likewise, Idong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Idong | Philippines, China, Nigeria, Malaysia, Indonesia |