Cognomen ชนเจริญ (Chonjaroen 
, Chonjarern , ชนเจริญ ) , in all the world, is a rare last name. The surname ชนเจริญ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, ชนเจริญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chonjarern, Chonjaroen, ชนเจริญ | Thailand |