Family name Karugaba (Karugaba 
) , in all the world, is quite a rare cognomen. The family name Karugaba is characteristic of Uganda, where it is quite a rare surname, Tanzania, and the United Kingdom, where it is a very rare surname. Very seldom, Karugaba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karugaba | United Kingdom, Uganda, Malaysia, United States, Tanzania |