Cognomen Okah (Okah 
) , globally, is quite a rare last name. The surname Okah is characteristic of Sub-Saharan Africa, particularly Cameroon, where it is quite a rare surname, Nigeria, and Ghana, where it is a rare surname. Likewise, Okah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Okah | Indonesia, Egypt, Ghana, Nigeria, Cameroon |
| henry okah Nigerian guerilla leader, NG (b. 1965) |
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| felix okah researcher |
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| emmanuel okah Nigerian politician, NG |
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