Cognomen Sosso-Koumou (Sosso-Koumou 
) , around the globe, is a rare surname. The family name Sosso-Koumou is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname. Parts of the name also exists independently as a last name Sosso, and a last name Koumou.
| VARIANT | COUNTRY |
|---|---|
| Sosso-Koumou | Democratic Republic of the Congo |