Last name Prom-Ugsorn (Prom-Ugsorn 
) , around the world, is an extremely rare cognomen. The last name Prom-Ugsorn is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Parts of the name also exists independently as a last name Prom, and a first name Ugsorn.
| VARIANT | COUNTRY |
|---|---|
| Prom-Ugsorn | Thailand |