Family name Junsuwun (Junsuwun 
) , all over the world, is a very rare cognomen. The last name Junsuwun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Junsuwun | Thailand |
Sunisa, Kawiwat, Rassaya, and Nuttanicha