Cognomen Koomson (Koomson 
) , around the globe, is a common family name. The cognomen Koomson is characteristic of Ghana, where it is a common surname, Qatar, where it is a rare surname, and the United Kingdom. In absolute terms, it most frequently occurs in Ghana, the United States, and the United Kingdom. Very seldom, Koomson is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Koomson | Egypt, United Kingdom, United States, Ghana, Nigeria |
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mavis hawa koomson Ghanaian female politician and educationist, GH (b. 1966) |
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dorothy koomson British writer, GB (b. 1971) |
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gilbert koomson football player, GH (b. 1994) |
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| koby arthur koomson Ghanaian diplomat |
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| desmond ato koomson researcher |
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| abeku koomson researcher |
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| chrys koomson |
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