Cognomen Obika (Obika 
) , worldwide, is quite a rare surname. The cognomen Obika is characteristic of Nigeria, where it is quite a rare surname, Finland, where it is a very rare surname, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in Nigeria, the United States, and the United Kingdom. Likewise, Obika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Obika | United Kingdom, Malaysia, Nigeria, United States, India |
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jonathan obika English footballer (born 1990), GB (b. 1990) |
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| satoshi obika researcher ORCID ID = 0000-0002-6842-6812 |
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| mikako obika researcher (ORCID 0000-0003-0062-6719) |
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