Surname Nkagi (Nkagi 
) , all around the world, is an extremely rare family name. The cognomen Nkagi is habitual in Sub-Saharan Africa, particularly South Africa, where it is an extremely rare surname. Much more frequently, Nkagi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nkagi | South Africa, Tanzania, Botswana, Nigeria |