Róisín Shortall is an Irish Social Democrats politician who has been a Teachta Dála (TD) for the Dublin North-West constituency since 1992. She was previously founding joint leader of the Social Democrats from 2015 to 2023 and served as Minister of State for Primary Care from 2011 to 2012.

The Social Democrats are a centre-left, social-democratic political party in Ireland. Led by Holly Cairns, the party was launched on 15 July 2015 by three independent TDs, Catherine Murphy, and Róisín Shortall, and Stephen Donnelly. It promotes the Nordic model and pro-European views.