Family name Nzikou-Cailly (Nzikou-Cailly 
) , worldwide, is a rare last name. The cognomen Nzikou-Cailly 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 Nzikou, and a last name Cailly.
| VARIANT | COUNTRY |
|---|---|
| Nzikou-Cailly | Democratic Republic of the Congo |