Cognomen Kamanzi (Kamanzi 
) , worldwide, is quite a common family name. The family name Kamanzi is characteristic of Sub-Saharan Africa, particularly Rwanda, where it is quite a common surname, Uganda, where it is quite a rare surname, and Tanzania. Likewise, Kamanzi is the forename as well as the last name.
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| Kamanzi | Democratic Republic of the Congo, Rwanda, Kenya, Tanzania, Uganda |
| pierre canisius kamanzi (b. 1965) |
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| michel kamanzi Rwandan association football player, RW (b. 1979) |
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| ernest kamanzi Rwandan politician |
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| speratus kamanzi superior general of the Congregation of the Apostles of Jesus |
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| karim kamanzi Rwandan association football player, RW (b. 1983) |
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| michel segatagara kamanzi IT (b. 1976) |
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| didier kamanzi burundi–born Rwandan actor (b. 1994) |
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| yves kamanzi South African cricketer (b. 1999) |
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| warren kamanzi Norwegian association football player |
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