Henry Kosgey (born 1947), Kenyan politician and Chairman of the Orange Democratic Movement
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Felix Koskei (born 1964), Kenyan politician and Cabinet Secretary for Agriculture, Livestock and Fisheries
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Sally Kosgei, Kenyan politician and National Assembly Member for the Orange Democratic Movement
Abraham Kosgei Chebii (born 23 December 1979 in Kaptabuk, Marakwet District) is a Kenyan runner who specializes in the 5000 metres.
Kosgei began racing professionally around 2000 and won her first major race in Europe that year with a course record at the Giro dei tre Monti in Imola, Italy.