Last name Onyekachi (Onyekachi 
) , around the globe, is a widespread surname. The surname Onyekachi is habitual in Nigeria, where it is quite a common surname, Niger, where it is quite a rare surname, and Albania, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Sub-Saharan Africa, particularly Nigeria, Niger, and Ghana. Likewise, Onyekachi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Onyekachi | Niger, Nigeria, Ghana, United States, Cameroon |
| mba vitus onyekachi association football player, NG (b. 1984) |
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| daniel onyekachi Nigerian footballer, NG (b. 1985) |
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| peter samuel onyekachi association football player, NG (b. 1992) |
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