Surname Nilasi (Nilasi 
) , in the entire world, is an extremely rare family name. The surname Nilasi is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. Much more prevalently, Nilasi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nilasi | India |
Devi, Singh, Perera, and Seneviratne