Last name Amosun (Amosun 
) , around the globe, is quite a common surname. The cognomen Amosun is habitual in Nigeria, where it is quite a rare surname, South Africa, where it is a very rare surname, and the United Kingdom. Measured by absolute frequency, it most frequently occurs in Nigeria, the United States, and the United Kingdom. Also, Amosun is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Amosun | United States, South Africa, United Kingdom, Nigeria |
| ibikunle oyelaja amosun Nigerian senator, NG (b. 1958) |
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| olufunso amosun Wife of Gov. Ibikunle Amosu, NG |
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| adedotun amosun on-air personality, NG |
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| seyi amosun researcher |
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