Cognomen นวลนัย (นวลนัย 
, Nuannai , Nuanai ) , throughout the world, is a very rare last name. The surname นวลนัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, นวลนัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nuanai, Nuannai, นวลนัย | Thailand |