Cognomen Raguraman (Raguraman 
) , worldwide, is a rare family name. The surname Raguraman is characteristic of Sri Lanka, where it is a rare surname, Singapore, and Malaysia. Not in comparison with a country's population, the name is most common in India, Sri Lanka, and Malaysia. Likewise, Raguraman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raguraman | Malaysia, Singapore, Sri Lanka, India, United Arab Emirates |