Surname Nwanka (Nwanka 
) , all over the world, is a rare last name. The cognomen Nwanka is habitual in Nigeria, where it is a rare surname, Tanzania, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Likewise, Nwanka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nwanka | Tanzania, Nigeria, Brazil |