Family name Supoltavanith (Supoltavanith 
) , all over the world, is a very rare surname. The last name Supoltavanith is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Supoltavanith | Thailand |
Pranee, Kittiphot, and Theerayuth