Cognomen Khupawutthinan (Khupawutthinan 
) , around the world, is an extremely rare family name. The cognomen Khupawutthinan is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khupawutthinan | Thailand |
Haritsawan, Nattapong, and Nachanyanat