Family name Rathavac (Rathavac 
) , around the world, is a rare surname. The cognomen Rathavac is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. Very seldom, Rathavac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rathavac | India |
Paben, Dubhai, Drabhai, Drisanh, Dresabhai, Drikaben, Drasingabhai, and Drisangabhai