Jessie Wallace (born 25 September, 1971) is a British actress who plays the part of Kathleen (Kat) Moon in the popular BBC One soap opera EastEnders. Her on-screen husband Alfie Moon is played by Shane Ritchie. They formerly ran the soap's pub, The Queen Victoria.

Jessie was well known for her excessive drinking, excessive orange glow and was convicted of drunk driving. She is now set to marry one of the police officers who gave her a lift home from a drunk driving-related court case. She gave birth to her first child, Tallulah Lilac on 2 November, 2004.