Sue Johnston (born 7 December 1943 in Warrington, Cheshire, England) is a British actress. From 1982-1990, she appeared as Shelia Grant in the soap opera Brookside. Since then she has appeared in many drama series and films, including Inspector Morse, Hetty Wainthropp Investigates, Brassed Off, My Uncle Silas, and Waking the Dead.
However, she is well remembered for her role as Barbara Royle, in the comedy series The Royle Family. In this role, she got to appear alongside her former on-screen husband in Brookside, Ricky Tomlinson.
In 2004, she appeared in the series, Who Do You Think You Are?, in which, she traced back her family tree. Prior to becoming an actor, Sue was a tax inspector.
An avid fan of Liverpool Football Club, Sue Johnston has also campaigned on behalf of the Labour Party.