Family name Phiromnam (Phiromnam 
) , all around the world, is a very rare last name. The family name Phiromnam is characteristic of Thailand, where it is a very rare surname, and South Africa, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phiromnam | South Africa, Thailand |
Ploy, Phattra, Phanthipa, and Patchareeya