Family name Nguelele-Oko (Nguelele-Oko 
) , around the world, is a rare last name. The surname Nguelele-Oko 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 Nguelele, and a last name Oko.
| VARIANT | COUNTRY |
|---|---|
| Nguelele-Oko | Democratic Republic of the Congo |