Surname Phetwichien (Phetwichien 
) , across the world, is a very rare last name. The surname Phetwichien is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Phetwichien is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phetwichien | Thailand |