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Cognomen Oko-Ngala (Oko-Ngala ) , throughout the world, is a rare family name. The last name Oko-Ngala 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 Oko, and a last name Ngala.
| VARIANT | COUNTRY |
|---|---|
| Oko-Ngala | Democratic Republic of the Congo |