Family name Lumbwa (Lumbwa 
) , in the entire world, is a very rare surname. The last name Lumbwa is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, Lumbwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lumbwa | Tanzania, Nigeria |