Family name Njaki (Njaki 
) , throughout the world, is a very rare surname. The surname Njaki is habitual in Sub-Saharan Africa, particularly Tanzania, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Also, Njaki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Njaki | Tanzania, United States, South Africa |