Family name Lubaga (Lubaga 
) , around the globe, is a rare cognomen. The family name Lubaga is habitual in Tanzania, where it is a rare surname, Norway, and the United States, where it is an extremely rare surname. Much less frequently, Lubaga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lubaga | Tanzania, Norway, United States |