Surname Onpracha (Onpracha 
) , throughout the world, is a very rare cognomen. The cognomen Onpracha is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Onpracha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onpracha | Thailand, United States |