Cognomen Nagarethinam (Nagarethinam 
) , all over the world, is a rare family name. The surname Nagarethinam is habitual in Malaysia, where it is a rare surname, Singapore, and India, where it is an extremely rare surname. Also, Nagarethinam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nagarethinam | Malaysia, Singapore, India, United States |