Cognomen Rungphisitchai (Rungphisitchai 
) , in the world, is a very rare last name. The last name Rungphisitchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rungphisitchai | Thailand |
Rakpong, Kittiwat, Thanyarat, Phitchanan, and Phatcharanan