Cognomen Rishi Dev (Rishi Dev 
) , in the world, is a very rare family name. The cognomen Rishi Dev is habitual in Mauritius, where it is quite a rare surname, and India, where it is an extremely rare surname. Very seldom, Rishi Dev is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rishi Dev | India, Mauritius, Singapore |