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