Surname Nkuja (Nkuja 
) , around the globe, is a rare family name. The surname Nkuja is habitual in Tanzania, where it is a rare surname, South Africa, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Nkuja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nkuja | South Africa, Tanzania, India |