Katy Harris (also Nelson) is a fictional character from the BritishITVsoap opera ''Coronation Street'', played by Lucy-Jo Hudson. She made her first on-screen appearance on 13 November 2002, before departing in 2005. The teenage daughter of the Harris family, Katy's storylines centred on her family's victimisation by a gang, her diabetic diagnosis and her relationship with Martin Platt (Sean Wilson).
Her departing storyline entitled "Killer Katy", in which she had an abortion, killed her father during a heated argument, and then killed herself has been described as one of the soap's most sensational and shocking storylines.
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