Catherine Connolly is an Irish independent politician who has served as the Leas-Cheann Comhairle of Dáil Éireann since July 2020. She has been a Teachta Dála (TD) for the Galway West constituency since 2016. She previously served as Chair of the Committee on the Irish Language, the Gaeltacht and the Islands from 2016 to 2020 and Mayor of Galway from 2004 to 2005.

The Ceann Comhairle is the chairperson of Dáil Éireann, the lower house of the Oireachtas (parliament) of Ireland. The person who holds the position is elected by members of the Dáil from among their number in the first session after each general election. The Ceann Comhairle since 10 March 2016 has been Seán Ó Fearghaíl, Fianna Fáil TD. The Leas-Cheann Comhairle since 23 July 2020 has been Catherine Connolly, Independent TD.