Cognomen Owoueyi-Ndassi (Owoueyi-Ndassi 
) , in all the world, is a rare family name. The last name Owoueyi-Ndassi 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 Owoueyi, and a last name Ndassi.
| VARIANT | COUNTRY |
|---|---|
| Owoueyi-Ndassi | Democratic Republic of the Congo |