Last name Rauby (Rauby 
) , throughout the world, is a very rare surname. The cognomen Rauby is habitual in France, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Also, Rauby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rauby | Brazil, India, France, United States, Venezuela |