Cognomen Arwakulpanich (Arwakulpanich 
) , all around the world, is a very rare family name. The surname Arwakulpanich is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Arwakulpanich | Thailand |
Pitsamai, Ruengdech, Rueangchai, and Nanthikan