Simon Harris is an Irish Fine Gael politician who has served as Taoiseach and leader of Fine Gael since 2024. A TD for the Wicklow constituency since 2011, he served as a minister of state from 2014 to 2016 and as a minister since 2016.

Fine Gael is a liberal-conservative and Christian-democratic political party in Ireland. Fine Gael is currently the third-largest party in the Republic of Ireland in terms of members of Dáil Éireann and largest in terms of Irish members of the European Parliament. The party had a membership of 25,000 in 2021. Simon Harris succeeded Leo Varadkar as party leader on 24 March 2024.