Josephine Margaret Warne (2 January 1938 – 13 January 2017), better known as Jo Warne, was an English actress, who briefly played Peggy Mitchell in the BBC soap opera EastEnders, making her first appearance on 30 April 1991. She appeared in a total of 10 episodes between April and July 1991, as part of Sam Mitchell (Danniella Westbrook) and Ricky Butcher's (Sid Owen) teen elopement storyline. Barbara Windsor later took on the full-time role of Peggy until the character's death in 2016.