Cognomen Mugwanya (Mugwanya 
) , worldwide, is quite a rare last name. The cognomen Mugwanya is habitual in Uganda, where it is quite a rare surname, Australia, where it is a very rare surname, and the United Kingdom. Also, Mugwanya is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mugwanya | Australia, United States, United Kingdom, Uganda, South Africa |
| stanislaus mugwanya leading Ugandan Roman Catholic, Ganda chief minister of justice (Omulamuzi), and appointed regent to Kabaka, UG (b. 1849) |
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| henry mugwanya Ugandan boxer (b. 1943) |
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| lezon mark mugwanya actor |
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| vatiswa mugwanya South African politician, ZA |
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| kenneth k mugwanya researcher |
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