Surname Ontsibi-Ngakoua (Ontsibi-Ngakoua 
) , around the world, is a rare last name. The family name Ontsibi-Ngakoua is habitual in 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 Ontsibi, and a last name Ngakoua.
| VARIANT | COUNTRY |
|---|---|
| Ontsibi-Ngakoua | Democratic Republic of the Congo |