Family name Nkanwa (Nkanwa 
) , across the world, is a rare last name. The family name Nkanwa is habitual in Tanzania, where it is a rare surname, Nigeria, where it is an extremely rare surname, and China. Very seldom, Nkanwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nkanwa | Tanzania, China, Nigeria |