Surname Phanphaisarn (Phanphaisarn 
) , all around the world, is a rare cognomen. The surname Phanphaisarn is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Phanphaisarn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phanphaisarn | United States, Thailand |
| areerak phanphaisarn researcher |
|