Cognomen Radhakrshnan (Radhakrshnan 
) , around the world, is a very rare surname. The family name Radhakrshnan is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. Much less frequently, Radhakrshnan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radhakrshnan | India |