Family name Mambou-Bayonne (Mambou-Bayonne 
) , in all the world, is a rare cognomen. The cognomen Mambou-Bayonne 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 Mambou, and a last name Bayonne.
| VARIANT | COUNTRY |
|---|---|
| Mambou-Bayonne | Democratic Republic of the Congo |