Family name Somwangphanit (Somwangphanit 
) , all over the world, is a very rare surname. The cognomen Somwangphanit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Somwangphanit | Thailand |
Naree, Neerawan, and Ratchaneewan