Ruth Coppinger (born 18 April 1967) is an Irish politician and member of the Socialist Party. She was elected as a Teachta Dála (TD) in the Dublin West constituency in 2014. In the 2016 general election, she ran as a candidate for Anti-Austerity Alliance–People Before Profit and retained her seat in Dáil Éireann until 2020. She failed to retain her seat at the general election in February 2020.