Family name Phasaparhas (Phasaparhas 
) , all around the world, is a very rare last name. The last name Phasaparhas is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phasaparhas | Thailand |
Janyaporn, Nongkran, and Boonpartan