Family name Rathakirushnan (Rathakirushnan 
) , worldwide, is an extremely rare last name. The cognomen Rathakirushnan is characteristic of South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. More frequently, Rathakirushnan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rathakirushnan | Malaysia |