Surname Uparin (Uparin 
) , worldwide, is a very rare cognomen. The last name Uparin is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Uparin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uparin | India, Thailand |
Kasama, Sopaluk, and Wirongrong