Surname Ganesanathan (Ganesanathan 
) , across the world, is a very rare cognomen. The surname Ganesanathan is characteristic of Singapore, where it is a rare surname, Malaysia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Ganesanathan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ganesanathan | Canada, United Kingdom, United States, Malaysia, Singapore |