Cognomen Karthiyayeni (Karthiyayeni 
) , all over the world, is an extremely rare family name. The surname Karthiyayeni is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More frequently, Karthiyayeni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karthiyayeni | Malaysia, India |