Last name Raucha (Raucha 
) , all around the world, is a rare family name. The surname Raucha is characteristic of India, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Likewise, Raucha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raucha | Thailand, India, Brazil, Democratic Republic of the Congo |