Last name Umoren (Umoren 
) , in all the world, is a common family name. The family name Umoren is habitual in Nigeria, where it is quite a rare surname, Greece, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Nigeria, the United States, and the United Kingdom. Likewise, Umoren is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Umoren | United Kingdom, Canada, Nigeria, United States, Greece |
| anselm umoren Nigerian catholic priest, NG (b. 1962) |
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| rachel a umoren researcher ORCID ID = 0000-0003-2356-9278 |
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| olivia umoren researcher (ORCID 0000-0001-6707-2066) |
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| saviour a umoren researcher |
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| imoh umoren Nigerien filmmaker, NG (b. 1982) |
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