Cognomen Inthraphuvasak (Inthraphuvasak 
) , in the world, is a very rare last name. The family name Inthraphuvasak is characteristic of Thailand, where it is a very rare surname, Cambodia, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Inthraphuvasak | United States, Cambodia, Thailand |
| vutthikorn inthraphuvasak (b. 1974) |
|