Around the world, Phanomsak (Phanomsak 
) is a very rare boy's first name. The forename Phanomsak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Much less frequently, Phanomsak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Phanomsak | Thailand |