Family name Obua (Obua 
) , all over the world, is quite a rare cognomen. The last name Obua is characteristic of Sub-Saharan Africa, particularly Uganda, where it is quite a rare surname, Ghana, where it is a rare surname, and Nigeria. Also, Obua is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Obua | United Kingdom, Ghana, Nigeria, Uganda, United States |
| denis obua Ugandan footballer (1947-2010), UG (b. 1947) |
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| celestino obua Ugandan physician, UG (b. 1959) |
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| steven obua Ph.D. Technische Universität München 2008 |
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| celestino obua researcher |
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| daniel obua researcher |
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| denis obua Ugandan politician, UG (b. 1980) |
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| david obua Ugandan footballer, UG (b. 1984) |
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| joseph obua UG |
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