Surname นิระวรรณ (นิระวรรณ 
) , across the world, is a very rare cognomen. The cognomen นิระวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, นิระวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิระวรรณ | Thailand |