Surname Phatwichaichot (Phatwichaichot 
) , all around the world, is an extremely rare family name. The family name Phatwichaichot is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phatwichaichot | Thailand |
Wasan, Salinee, Wanphen, and Sasimaporn