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