In the world, Seyni (Seyni 
, سيني 
) is quite a rare gender-neutral first name. The first name Seyni is habitual in Togo, where it is quite a rare boy's name, Senegal, where it is quite a rare unisex name, and Libya, where it is a rare male name. In absolute terms, it is commonest in Senegal, Togo, and France. Likewise, Seyni is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Seyni | Niger, Togo, Ghana, Senegal, Democratic Republic of the Congo |
| سيني | Yemen, Sudan, Iraq, Iran |
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seyni kountché Nigerien President (1931-1987), NE (b. 1931) |
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seyni garba Nigerien officer and diplomat, NE (b. 1953) |
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seyni kouyaté (b. 1963) |
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| seyni niang Senegalese politician (1931-2003), SN (b. 1931) |
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| ali seyni Nigerien politician, NE (b. 1938) |
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| seyni awa camara Senegalese artist, SN (b. 1945) |
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| seyni n'diaye Senegalese footballer, SN (b. 1973) |
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