Last name Nwaka (Nwaka 
) , throughout the world, is quite a common cognomen. The family name Nwaka is habitual in Sub-Saharan Africa, particularly Nigeria, where it is quite a rare surname, Tanzania, where it is a rare surname, and Niger. Likewise, Nwaka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Nwaka | Niger, Tanzania, Nigeria, United States, United Kingdom |
| solomon nwaka researcher, NG |
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| fredi nwaka British film director, GB |
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| ikechukwu d nwaka researcher |
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| obinna nwaka Nigerian Actress, NG |
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| jacinta chiamaka nwaka |
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