Family name Rajong (Rajong 
) , in the entire world, is a very rare cognomen. The cognomen Rajong is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname, Indonesia, and Malaysia, where it is an extremely rare surname. Very seldom, Rajong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rajong | Philippines, Malaysia, India, Indonesia, South Africa |