Cognomen Phiapalat (Phiapalat 
) , worldwide, is a very rare last name. The cognomen Phiapalat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phiapalat | Thailand |
Artit, Rinda, Phanita, Thitiphan, and Chamaiphorn