Last name Karunanthy (Karunanthy 
) , across the world, is an extremely rare family name. The surname Karunanthy is habitual in South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. Much more frequently, Karunanthy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karunanthy | Malaysia, Sri Lanka |