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