Family name Rajendaran (Rajendaran 
) , across the world, is a rare cognomen. The surname Rajendaran is habitual in Malaysia, where it is a rare surname, Singapore, and India, where it is an extremely rare surname. Likewise, Rajendaran is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rajendaran | Singapore, Malaysia, India, United States, South Africa |