Cognomen Samphanthakul (Samphanthakul 
) , around the world, is an extremely rare family name. The family name Samphanthakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Samphanthakul | Thailand |
Parawee, Lucksika, and Boontharika