Cognomen Ragurajan (Ragurajan 
) , around the globe, is a very rare surname. The last name Ragurajan is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Ragurajan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ragurajan | India, Canada, Malaysia, Australia |