Family name Pyarin (Pyarin 
, Пярин 
, ไพยริน 
) , across the world, is a very rare cognomen. The surname Pyarin is habitual in Bulgaria, where it is a rare surname, Thailand, where it is a very rare surname, and Russia. Likewise, Pyarin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pyarin | India, Russia, Bulgaria |
| Пярин | Kazakhstan, Russia, Ukraine |
| ไพยริน | Thailand |
Bai, and Kuruvithadam