Throughout the world, นิศาวรรณ (นิศาวรรณ 
) is a very rare principally girly, but very seldom boy's forename. The forename นิศาวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare principally feminine, but very seldom masculine name.
| VARIANT | COUNTRY |
|---|---|
| นิศาวรรณ | Thailand |
ปินทอง, ธิติอัครพงศ์, กนกวลีวงศ์, and ศิรินาวิน