Surname นิเลิศ (นิเลิศ 
) , in the entire world, is an extremely rare last name. The family name นิเลิศ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, นิเลิศ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิเลิศ | Thailand |