K
- Katie Chapman
- Katie Chapman (born 1982), English football player
- Katie Chapman (voice actress), Canadian voice actress
- Karen Chapman, English retired badminton player
- Keith Chapman
- Keith Chapman (born 1958), British children's author and creator of Bob the Builder
- Keith Chapman (organist) (1945–1989), American organist
- Kelvin Chapman (born 1956), American baseball player
- Kevin Chapman, American actor
- Kory Chapman (born 1980), American football player
- Kyle Chapman (born 1971), New Zealand director of the NZNF (New Zealand National Front)
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