Ruth Coppinger is an Irish politician and member of the Socialist Party. She was elected as a Teachta Dála (TD) for the Dublin West constituency in 2014. At 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 lost her seat at the general election in February 2020.

The Socialist Party is a political party in Ireland, active in both the Republic of Ireland and Northern Ireland. Internationally, it is affiliated to the Trotskyist International Socialist Alternative. The party has been involved in various populist campaigns including the Anti-Bin Tax Campaign and the Campaign Against Home and Water Taxes. Members of the party were jailed for their part in the former, while members have been arrested for their role in the latter. It had a seat in the European Parliament from 2009 to 2014. In 2015, the party received state funding of €132,000.