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Cognomen Phoomsak (Phoomsak ) , around the world, is an extremely rare family name. Predominantly, Phoomsak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phoomsak | Thailand |
Kampoo, Lochai, Noinij, Somsong, Lumprasert, Nuanjam, Panphoom, Nathiamket, and Jongtaweekiat