Atheism, Agnosticism, or Non-religious
This section contains people who rejected Catholicism in favor of a non-religious philosophy.
- Steve Allen, actor, TV show host, writer, pundit (Humanism)
- Christopher Buckley, political satirist
- George Carlin, American comedian (staunch atheist)
- Jimmy Carr, British comedian
- Pat Condell, comedian
- Marie Curie, Nobel laureate in chemistry and physics
- Amanda Donohoe, British actress
- Theodore Dreiser, American writer (Socialism and possibly Christian Science)
- Brian Eno, British musician and record producer
- Siobhan Fahey, British musician, now interested in spiritualism
- Janeane Garofalo, American comedienne (Freethought advocate).
- Éamon Gilmore, Tánaiste (Deputy Prime Minister) of Ireland (2011–)
- Amber Heard, American actress
- Joe Higgins, Socialist Party Member of the European Parliament for Dublin, Ireland.
- Seth MacFarlane, writer, creator, producer for Family Guy, American Dad, etc. (grew up Catholic but as an adult began to embrace atheism).
- Zoran Milanović, Croatian politician and a leader of Social Democratic Party of Croatia (SDP)
- Joe Rogan, American sports commentator and comedian (agnostic)
- Joyce Carol Oates, author, critic (atheist)
- Chris Rush, American comedian who considers himself spiritual rather than religious.
- Dan Savage, author
- Omar Sharif, actor and bridge player; an Egyptian Melkite Catholic who converted to Islam, but is now an atheist
- Julia Sweeney, atheist comedian on the advisory board of the Secular Coalition for America
- Laurie Taylor (sociologist)
- Jerome Tuccille, author of Heretic: Confessions of an Ex-Catholic Rebel
- Andy Serkis, British actor; was raised a catholic, but rejected it in his late teenage years.
- Park Chan-wook, South Korean film director.
- Frankie Boyle, Scottish comedian and writer, quoted saying "Religion is just what we thought before we understood what mental illness was."
- Dara Ó Briain, Irish stand-up comedian and television presenter
- Bill Maher, American comedian and political commentator
- Billy Connolly, Scottish stand-up comedian
- Dana White, First and current president of UFC
- Terry Wogan, Irish and British radio personality
- Guillermo del Toro, Mexican film director
- Nick Frost, English actor, comedian and screenwriter
- Conor Oberst. American singer-songwriter; was moderately raised catholic, now agnostic
- George Clooney, American actor
- Roh Moo-hyun, 16th President of South Korea
- Javier Bardem, Spanish actor
- Paul Bettany, British actor
- Kathy Griffin, American comedienne and actress
- Aziz Shavershian, Australian bodybuilder and internet celebrity.
- Bob Odenkirk, American actor and comedian; stated on his Twitter
- Giorgio Napolitano, 11th President of Italy
- Antonio Carluccio, Italian chef, restaurateur and food expert
- Anthony Jeselnik, American stand-up comedian and television writer
- Roger Ebert, American journalist, film critic and screenwriter
- Ed Byrne, Irish stand-up comedian
- Denis Leary, American actor
- François Hollande, 24th president of France
- Martin Scorsese, American film director, screenwriter, producer, actor and film historian
- Mike Birbiglia, American comedian, writer, actor, and director
Read more about this topic: List Of Former Roman Catholics