Family name Nillawan (Nillawan 
) , in all the world, is a rare last name. The last name Nillawan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Also, Nillawan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nillawan | Malaysia, United States, Thailand |