Family name Souliyasith (Souliyasith 
) , around the globe, is a very rare last name. The family name Souliyasith is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. Also, Souliyasith is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Souliyasith | Laos |