Surname Kalai Vanan (Kalai Vanan 
) , all around the world, is a very rare cognomen. The surname Kalai Vanan is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Kalai Vanan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalai Vanan | India, Singapore, Malaysia |