Cognomen Onuora (Onuora 
) , in all the world, is quite a common surname. The surname Onuora is characteristic of Nigeria, where it is quite a rare surname, the United Kingdom, where it is a very rare surname, and Thailand. In absolute terms, it is commonest in Nigeria, the United States, and the United Kingdom. Likewise, Onuora is the forename as well as the last name.
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| Onuora | United Kingdom, United States, Thailand, Nigeria, Germany |
| onuora nzekwu Nigerian professor, writer and editor (1928-2017), NG (b. 1928) |
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anyika onuora British sprinter, GB (b. 1984) |
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| ifem onuora Scottish footballer and manager (born 1967), GB (b. 1967) |
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| jennifer c onuora researcher |
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| arthur onuora college basketball player (2003–2003) Massachusetts |
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| sarah onuora researcher |
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