Cognomen Khallan (Khallan 
) , all around the world, is a very rare surname. The family name Khallan is characteristic of Trinidad and Tobago, where it is quite a rare surname, and India, where it is an extremely rare surname. Likewise, Khallan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khallan | India, Trinidad and Tobago |