Family name ปรับ (Prap 
, ปรับ ) , in all the world, is a rare cognomen. The surname ปรับ is characteristic of Indonesia, where it is a very rare surname, Australia, and Thailand, where it is an extremely rare surname. Likewise, ปรับ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prap | Indonesia, Myanmar, Thailand, India, France |
| ปรับ | Thailand |