Last name Ozumba (Ozumba 
) , across the world, is a rare family name. The cognomen Ozumba is characteristic of Nigeria, where it is a rare surname, Kenya, and New Zealand. Measured by absolute frequency, it is the most numerous in Nigeria, Kenya, and the United States. Likewise, Ozumba is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ozumba | United Kingdom, Kenya, Nigeria, United States, New Zealand |
| benjamin chukwuma ozumba Nigerian professor of medicine, NG (b. 1954) |
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| kachi a. ozumba Nigerian writer, NG (b. 1972) |
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| petronilla j ozumba researcher |
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