Cognomen Diambou-Ngolet (Diambou-Ngolet 
) , all around the world, is a rare surname. The cognomen Diambou-Ngolet 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 Diambou, and a last name Ngolet.
| VARIANT | COUNTRY |
|---|---|
| Diambou-Ngolet | Democratic Republic of the Congo |