Surname Ngoma-Bilongo (Ngoma-Bilongo 
) , around the world, is a rare cognomen. The cognomen Ngoma-Bilongo 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 Ngoma, and a last name Bilongo.
| VARIANT | COUNTRY |
|---|---|
| Ngoma-Bilongo | Democratic Republic of the Congo |