Cognomen Kajumba (Kajumba 
, Каюмба 
) , worldwide, is quite a rare family name. The cognomen Kajumba is habitual in Uganda, where it is quite a rare surname, Tanzania, where it is a rare surname, and New Zealand, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Uganda, Tanzania, and the United Kingdom. Likewise, Kajumba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kajumba | Tanzania, New Zealand, United Kingdom, United States, Uganda |
| Каюмба | Russia |
| herbert kajumba Ugandan field hockey player, UG (b. 1950) |
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| daniel kajumba Archdeacon of Reigate, UG (b. 1952) |
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| mayanja m kajumba researcher |
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