Surname Raamakrishnan (Raamakrishnan 
) , across the world, is a very rare family name. The cognomen Raamakrishnan is habitual in India, where it is an extremely rare surname, and the United States. Likewise, Raamakrishnan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raamakrishnan | United States, India |