Cognomen Kiatphuphan (Kiatphuphan 
) , in all the world, is an extremely rare family name. The family name Kiatphuphan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kiatphuphan | Thailand |
Wasin, Sasitorn, Narinporn, and Prathueangthip