Surname Massamba-Kay (Massamba-Kay 
) , all over the world, is a rare last name. The cognomen Massamba-Kay 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 Massamba, and a first name Kay.
| VARIANT | COUNTRY |
|---|---|
| Massamba-Kay | Democratic Republic of the Congo |