Surname Njaju (Njaju 
) , throughout the world, is a very rare last name. The family name Njaju is characteristic of South Africa, where it is a rare surname, Nigeria, where it is an extremely rare surname, and India. Likewise, Njaju is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Njaju | Indonesia, South Africa, Nigeria, India |