Surname Niyonsaba (Niyonsaba 
) , all around the world, is quite a rare family name. The cognomen Niyonsaba is habitual in Sub-Saharan Africa, particularly Rwanda, where it is quite a common surname, Burundi, where it is quite a rare surname, and Uganda, where it is a rare surname. Likewise, Niyonsaba is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Niyonsaba | Burundi, Rwanda, Uganda, Tanzania, Democratic Republic of the Congo |
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francine niyonsaba Burundian distance runner, BI (b. 1993) |
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| laurence niyonsaba Rwandan athlete, RW (b. 1973) |
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| francois niyonsaba researcher |
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| edouard niyonsaba researcher |
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| jeanne niyonsaba Rwandan association football player, RW |
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| diane niyonsaba Rwandan association football player, RW |
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| clementine niyonsaba Rwandan cyclist, RW (b. 1997) |
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