Family name ธนเจริญโรจน์ (ธนเจริญโรจน์ 
) , around the world, is an extremely rare surname. The surname ธนเจริญโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธนเจริญโรจน์ | Thailand |