Around the world, นวลเรณู (นวลเรณู 
) is a very rare feminine first name. The first name นวลเรณู is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare female name.
| VARIANT | COUNTRY |
|---|---|
| นวลเรณู | Thailand |
วิเศษมงคลชัย, พลศรีพิมพ์, and ตรีรัตน์