Family name นิละวรรณ (นิละวรรณ 
) , all over the world, is an extremely rare last name. The cognomen นิละวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, นิละวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิละวรรณ | Thailand |