Family name Rajaseharan (Rajaseharan 
) , in all the world, is a very rare cognomen. The family name Rajaseharan is habitual in 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. Not in comparison with a country's population, this name is the most popular in Singapore, India, and Malaysia. Much less frequently, Rajaseharan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rajaseharan | Singapore, United Kingdom, United States, India, Malaysia |