Cognomen Njwan (Njwan 
) , worldwide, is an extremely rare last name. The surname Njwan is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is an extremely rare surname. More prevalently, Njwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Njwan | Nigeria, Israel |
نجــــــوان, نجوان, and ﻧﺠﻮﺍﻥ