Family name Kasumu (Kasumu 
) , worldwide, is quite a rare surname. The cognomen Kasumu is characteristic of Nigeria, where it is quite a rare surname, Ireland, where it is a rare surname, and the United Kingdom, where it is a very rare surname. In absolute terms, this name is the most popular in Nigeria, the United States, and the United Kingdom. Also, Kasumu is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kasumu | United Kingdom, Ireland, Canada, United States, Nigeria |
| samuel kasumu candidate in United Kingdom General Election |
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| adedamola richard kasumu Nigerian politician (b. 1983) |
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| david kasumu English association football player (born 1999), GB (b. 1999) |
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