Family name Yothasorn (Yothasorn 
) , in the entire world, is a rare surname. The last name Yothasorn is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yothasorn | Thailand |
Pongpan, Chomnong, Phanomkorn, and Teerapong