Cognomen Karthigaiselvan (Karthigaiselvan 
) , in the entire world, is a very rare family name. The cognomen Karthigaiselvan is habitual in Singapore, where it is quite a rare surname, the United Kingdom, where it is an extremely rare surname, and India. Very seldom, Karthigaiselvan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karthigaiselvan | Singapore, United Kingdom, India |