Cognomen Naewhangthum (Naewhangthum 
) , around the world, is a very rare family name. The surname Naewhangthum is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Naewhangthum | Thailand |
Mitree, Sirinti, Sirinit, and Manasabordee