Cognomen นิลนารถ (นิลนารถ 
) , all over the world, is a rare surname. The surname นิลนารถ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, นิลนารถ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิลนารถ | Thailand |