Family name Phaefuang (Phaefuang 
) , worldwide, is a very rare surname. The cognomen Phaefuang is characteristic of Norway, where it is a rare surname, and Thailand, where it is an extremely rare surname. Much less frequently, Phaefuang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phaefuang | Norway, Thailand |