Jill McGown (9 August 1947, Campbeltown, Scotland – 6 April 2007 in Kettering, Northamptonshire) was a British writer of mystery novels. She was best known for her mystery series featuring Inspector Lloyd and Judy Hill, one of which (A Shred of Evidence) was made into a television series. McGown wrote her first mystery novel after being laid off from the British Steel Corporation in 1980. She is sometimes credited as Elizabeth Chaplin.
The daughter of a Scots fisherman turned steelworker, Jill McCown grew up in Corby where she attended the local grammar school and was taught Latin by Colin Dexter, the creator of the Inspector Morse Mysteries.