Last name นุวรรณ (Nuwan 
, นุวรรณ , Nuawan ) , all over the world, is a common family name. The last name นุวรรณ is habitual in Sri Lanka, where it is a common surname, Qatar, where it is quite a rare surname, and Maldives. In absolute terms, this name is the most popular in Sri Lanka, Thailand, and United Arab Emirates. More prevalently, นุวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nuwan | Sri Lanka, United Arab Emirates, Thailand, Qatar, Saudi Arabia |
| นุวรรณ, Nuawan | Thailand |