Last name Kusalavan (Kusalavan 
) , all around the world, is a very rare cognomen. The cognomen Kusalavan is habitual in Malaysia, where it is a rare surname, Singapore, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Malaysia, India, and Singapore. Also, Kusalavan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kusalavan | Malaysia, India, Singapore, United Kingdom |