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- Edward E. Kaufman (born 1939), U.S. Senator from Delaware
- Dyre Kearney (died 1791), lawyer and delegate to the Continental Congress from Delaware
- Pat Kenney (born 1968), professional wrestler (stage name: Simon Diamond); born in Wilmington, Delaware
- Richard R. Kenney (1856–1931), lawyer and U.S. Senator from Delaware
- Patrick Kerr (born 1956), television actor; born in Wilmington, Delaware
- Muqtedar Khan (born 1966), Islamic intellectual and Professor at the University of Delaware
Read more about this topic: List Of People From Delaware