Family name ทรัพย์นาจ (ทรัพย์นาจ 
) , in the entire world, is an extremely rare cognomen. The last name ทรัพย์นาจ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทรัพย์นาจ | Thailand |