Cognomen Gnanaharan (Gnanaharan 
) , across the world, is a very rare last name. The last name Gnanaharan is characteristic of Australia, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United Kingdom. Very seldom, Gnanaharan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gnanaharan | India, Australia, Canada, United Kingdom |