Cognomen Phuchuthum (Phuchuthum 
) , worldwide, is an extremely rare last name. The family name Phuchuthum is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phuchuthum | Thailand |
Orawan, Nattapat, Nattapong, Nattamanee, and Wachirawit