Surname Kambathasan (Kambathasan 
) , across the world, is an extremely rare cognomen. The family name Kambathasan is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. Predominantly, Kambathasan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kambathasan | India, Sri Lanka, Malaysia, South Africa |