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- Kaitlin Cooper, fictional TV character from The O.C.
- Kenneth H. Cooper (born 1931), eponym of the Cooper test for fitness
- Kenny Cooper (born 1984), American footballer
- Kenny Cooper, Sr. (born 1946), former English soccer goalkeeper and coach
- Kevin Cooper (disambiguation)
- Korey Cooper (born 1972), musician, member of Skillet
- Kyle Cooper (born 1962), designer of motion picture title sequences
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