Cognomen Okoronkwo (Okoronkwo 
) , across the world, is a common last name. The cognomen Okoronkwo is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is quite a common surname, Niger, where it is quite a rare surname, and Benin, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Nigeria, Niger, and the United States. Likewise, Okoronkwo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Okoronkwo | United States, Niger, Ghana, Nigeria, Ivory Coast |
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isaac okoronkwo Nigerian footballer, NG (b. 1978) |
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solomon okoronkwo Nigerian association football player, NG (b. 1987) |
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| ikechukwu francis okoronkwo Nigerian visual artist, NG (b. 1970) |
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| michael enyinwa okoronkwo (b. 1963) |
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| monday uchenna okoronkwo researcher |
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| emmanuel ogbonnaya okoronkwo Ph.D. University of Texas at Austin 1984 |
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| calista okoronkwo Nigerian actress, NG |
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| amarachi okoronkwo Nigeria Female football player, NG (b. 1992) |
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| esther okoronkwo Nigerian footballer, NG (b. 1997) |
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| emeka okoronkwo NG (b. 1989) |
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| jonathan okoronkwo Nigerian footballer, NG |
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