Surname Gnanasegar (Gnanasegar 
) , across the world, is a very rare family name. The last name Gnanasegar is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Gnanasegar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gnanasegar | Malaysia, India |