Surname นิวาสุวรรณ (นิวาสุวรรณ 
, Nivasuwan) , all around the world, is a very rare last name. The surname นิวาสุวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| นิวาสุวรรณ | Thailand |