Surname Oriakhi (Oriakhi 
) , in the world, is quite a rare family name. The family name Oriakhi is habitual in Nigeria, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and Ireland. In absolute terms, it is commonest in Nigeria, the Democratic Republic of the Congo, and the United States. Likewise, Oriakhi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Oriakhi | Democratic Republic of the Congo, United Kingdom, Ireland, United States, Nigeria |
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alex oriakhi American basketball player, US (b. 1990) |
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| kelly oriakhi researcher |
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| michael oriakhi researcher (ORCID 0000-0001-8800-1291) |
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| davina oriakhi Nigerian singer, NG (b. 1994) |
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