Arts
- G. E. M. Anscombe, English philosopher and theologian, born in Limerick
- Kevin Barry, author, born in Limerick in 1969
- Tomás de Bhaldraithe (1916–1996), Irish language scholar and lexicographer
- David Noel Bourke, screenwriter and film director
- Máire Bradshaw, poet and publisher
- Vincent Browne, journalist and broadcaster
- Mairead Buicke, opera singer
- Jimmy Carr, comedian and writer
- Denise Chaila, rapper
- David Chambers, aka Blindboy Boatclub, satirist, musician, podcaster, author, and TV presenter
- Tony Clarkin, actor of stage, television, radio, film; voice-over artist
- Michael Curtin, author
- Cliodhna Cussen, sculptor
- Lawrence Doheny, writer, producer, director of Six Million Dollar Man and Magnum PI
- Desmond FitzGerald, 29th Knight of Glin, President of the Irish Georgian Society
- David Gleeson, writer and director of the feature films Cowboys & Angels and The Front Line
- Richard Graves, theological scholar and author
- Gerald Griffin (1803–1840), novelist, poet and playwright
- Richard Harris, actor
- Catherine Hayes, soprano
- Mike Hogan, member of pop band The Cranberries
- Noel Hogan, member of pop band The Cranberries
- Celia Holman Lee, model agent and TV presenter
- Richard D. James aka Aphex Twin, electronic musician
- Charles Johnstone, novelist
- Patrick Weston Joyce, historian, music-collector, onomastician, and lexicographer
- Robert Dwyer Joyce, poet, song-writer, Fenian, and physician
- Sean Keating, painter
- Jon Kenny, member of D'unbelievables comedy duo; regular member of the Father Ted series
- Emma Langford, folk singer-songwriter
- Fergal Lawler, member of pop band The Cranberries
- Gearóid Mac Eoin, academic whose studies have focused on aspects of Irish language, literature and history
- Ciaran MacMathuna, broadcaster and musicologist
- Alphie McCourt, author of A Long Stones Throw, Heartscald (The Soulswimmer, US title)
- Frank McCourt, author of Angela's Ashes, 'Tis and Teacher Man
- Malachy McCourt, actor and writer
- Conor McNamara, sports commentator
- Tyron Montgomery, Oscar-winning film director
- Leanne Moore, singer and TV presenter
- Ruth Negga, film and TV actress
- Kate O'Brien, author
- Emma O'Driscoll, member of pop band Six; television presenter
- Críostóir Ó Floinn, poet and playwright
- Daragh O'Malley, leading stage and TV actor, star of ITV's Sharpe TV series.
- Dolores O'Riordan, member of pop band The Cranberries
- Matthew Potter, author
- Arthur Quinlan, local journalist formerly based at Shannon Airport for the Irish Times
- Liam Redmond, stage, TV and film actor, active from the 1940s to the 1970s
- The Rubberbandits, comedy hip-hop duo
- Darren Shan, internationally published children's author
- Sharon Slater, author
- Constance Smith, Hollywood actress of the 1950s
- Bill Whelan, Grammy Award-winning composer of Riverdance and many other works
- Terry Wogan, presenter on BBC radio and television
