Cynthia Ní Mhurchú (Irish pronunciation: [n̠ʲiː ˈwʊɾˠəxuː]; born 1966) is an Irish Fianna Fáil politician, barrister and former radio host with Raidió Teilifís Éireann (RTÉ) who has served as a Member of the European Parliament for the South constituency since July 2024.

During the 1990s, she presented RTÉ's Lotto draw and the Irish language current affairs broadcast, Cúrsaí.

[3] Ní Mhurchú joined Fianna Fáil as she felt it supported the Irish language.

[4] In 1992, Ní Mhurchú was approached by the party to run in Dublin South-East in the 1992 Irish general election but declined the offer as she wanted to study for the bar.

[1] She was selected by Fianna Fáil to contest the South constituency at the 2024 European Parliament election.