Surname นวลยง (Nanyong 
, นวลยง , Nualyong ) , all around the world, is a rare family name. The surname นวลยง is characteristic of Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Thailand, China, and Nigeria. Likewise, นวลยง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nanyong | Philippines, China, Thailand, Nigeria, Malaysia |
| Nualyong, นวลยง | Thailand |