Family name Phonepaserth (Phonepaserth 
) , in the world, is a rare cognomen. The family name Phonepaserth is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. More frequently, Phonepaserth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phonepaserth | Laos |