Family name Kanagarathinam (Kanagarathinam 
) , in the world, is a rare surname. The surname Kanagarathinam is habitual in Sri Lanka, where it is a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Kanagarathinam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanagarathinam | United Kingdom, United States, India, Sri Lanka, Malaysia |