Cognomen Iwuji (Iwuji 
) , throughout the world, is quite a rare last name. The surname Iwuji is habitual in Sub-Saharan Africa, particularly Lesotho, where it is quite a rare surname, Nigeria, and Niger, where it is a rare surname. Also, Iwuji is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Iwuji | Niger, United Kingdom, Lesotho, Nigeria, United States |
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jesse iwuji American football player and racing driver, US (b. 1987) |
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| chukwudi iwuji Nigerian actor, NG (b. 1975) |
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| h. o. m. iwuji Nigerian librarian, NG |
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| kenneth iwuji researcher (ORCID 0000-0001-5489-233X) |
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