Family name Phan Thien (Phan Thien 
) , around the world, is a very rare surname. The family name Phan Thien is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. Also, Phan Thien is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phan Thien | Vietnam |