Cognomen นิลริยา (นิลริยา 
) , in all the world, is an extremely rare last name. The last name นิลริยา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, นิลริยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิลริยา | Thailand |