Family name Karigirwa (Karigirwa 
) , around the world, is a rare surname. The family name Karigirwa is habitual in Rwanda, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Also, Karigirwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karigirwa | United States, Rwanda |