Cognomen Kiruga (Kiruga 
) , around the globe, is a rare last name. The last name Kiruga is habitual in Kenya, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kiruga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kiruga | Tanzania, United States, Kenya |