Cognomen Phatyen (Phatyen 
) , across the world, is a very rare last name. The last name Phatyen is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Phatyen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phatyen | India, United States, Thailand |