Last name Луба (Luba 
, Louba 
, Луба 
) , in the entire world, is a common surname. The last name Луба is characteristic of Georgia, where it is a common surname, Poland, where it is quite a common surname, and Gabon, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in the Democratic Republic of the Congo, Poland, and Georgia. Likewise, Луба is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Luba | Democratic Republic of the Congo, Poland, Georgia, United States, Nigeria |
| Louba | Democratic Republic of the Congo, India, France, United States, Nigeria |
| Луба | Ukraine, Kazakhstan, Russia |
| Loubat | Canada, Morocco, Spain, France, United States |