Surname Udoji (Udoji 
) , worldwide, is quite a rare cognomen. The cognomen Udoji is habitual in Nigeria, where it is a rare surname, India, where it is a very rare surname, and the United States. Likewise, Udoji is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Udoji | South Africa, United Kingdom, India, United States, Nigeria |
| jerome udoji Nigerian businessman and government official, NG (b. 1912) |
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| adaora udoji American journalist, US (b. 1968) |
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| chinedu udoji Nigerian footballer (1989-2018), NG (b. 1989) |
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