Family name Upapha (Upapha 
) , worldwide, is a very rare last name. The cognomen Upapha is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Upapha | Thailand |
Isoon, Patipat, Pattanatkit, Watcharaporn, and Watcharaporn Oilly