Surname Oba (オオバ 
, Oba 
, أوبا 
) , throughout the world, is a widespread last name. The family name Oba is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a common surname, Nigeria, where it is quite a rare surname, and Cameroon. Measured by absolute frequency, it is commonest in the Democratic Republic of the Congo, Nigeria, and Turkey. Very seldom, Oba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| オオバ | Japan |
| Oba | Democratic Republic of the Congo, India, Turkey, Ethiopia, Nigeria |
| أوبا | Egypt |
| Оба | Ukraine, Kyrgyzstan, Russia |
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pierre oba Republic of the Congo politician, CG (b. 1953) |
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| oba john feyisara odimayo king of Ode-Irele in Ondo State, Nigeria from 1976 to 1993, NG (b. 1922) |
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| oba francis adedoyin Nigerian Monarch, NG (b. 1922) |
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| oba gabriel adekunle aromolara ii The Owa Obokun of Ijeshaland | The Paramount Ruler of Ijeshaland, NG (b. 1937) |
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| oba fatai ayinla aileru Nigerian politician, NG (b. 1938) |
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| antoine ndinga oba Republic of the Congo politician, CG (b. 1941) |
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| oba michael olobayo oba Micheal Olobayo, NG (b. 1945) |
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| nicole oba Congolese handball player (b. 1950) |
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| koji oba researcher (b. 1958) |
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mineko oba |
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| oba nsugbe British-Nigerian barrister, GB (b. 1962) |
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| saisei oba (b. 1952) |
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| gufu oba (b. 1952) |
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| oba ajibade gbadegesin ogunoye iii The Olowo of Owo and Paramount Ruler of Owo Kingdom (b. 1966) |
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| oba abdulwasiu omogbolahan lawal abisogun II, (b. 1970) |
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