Katy Fox is a fictional character from the British Channel 4 soap opera Hollyoaks, played by Hannah Tointon, from 2007 to 2008 and again in 2017. Katy is the sister of Warren Fox (Jamie Lomas), and has been central to several storylines, prominently Clare Cunningham's (Gemma Bissix) revenge. In July 2016, after Warren returned to the village, he revealed that Katy had died from a drug overdose, and feels immensely guilty as he was in prison at the time of her death. Later, revealed on 1 February 2017 that her nephew Joel Dexter (Rory Douglas-Speed) and Bart McQueen (Jonny Clarke) supplied her with the drugs, leading to her death.