Family name Ngassaki-Abongui (Ngassaki-Abongui 
) , in the entire world, is a rare surname. The surname Ngassaki-Abongui 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 Ngassaki, and a last name Abongui.
| VARIANT | COUNTRY |
|---|---|
| Ngassaki-Abongui | Democratic Republic of the Congo |