Não sou a favor de posts em língua estrangeira....mas lá vai...este até básicos como eu entendem:

The Atheist and the Materialist
those who have no need for gods and some who have no need for the supernatural
Douglas Adams, Ayaan Hirsi Ali, Woody Allen, Lance Armstrong, Darren Aronofsky, Isaac Asimov, Dave Barry, Ingmar Bergman, Lewis Black, Richard Branson, Berkeley Breathed, Warren Buffett, George Carlin, John Carmack, Adam Carolla, John Carpenter, Asia Carrera, Fidel Castro, Dick Cavett, Noam Chomsky, Billy Connolly, Francis Crick, David Cronenberg, David Cross, Alan Cumming, Rodney Dangerfield, Richard Dawkins, Daniel Dennett, David Deutsch, Ani DiFranco, Micky Dolenz, Harlan Ellison, Brian Eno, Richard Feynman, Harvey Fierstein, Larry Flynt, Dave Foley, Jodie Foster, Janeane Garofalo, Bill Gates, Bob Geldof, Ricky Gervais, Ira Glass, James Gleick, Robert Heinlein, Nat Hentoff, Katharine Hepburn, Christopher Hitchens, Eddie Izzard, Penn Jillette, Billy Joel, Angelina Jolie, Wendy Kaminer, Diane Keaton, Ken Keeler, Neil Kinnock, Michael Kinsley, Richard Leakey, Bruce Lee, Tom Lehrer, Tom Leykis, James Lipton, H.P. Lovecraft, John Malkovich, Barry Manilow, Todd McFarlane, Sir Ian McKellen, Arthur Miller, Frank Miller, Marvin Minsky, Julianne Moore, Desmond Morris, Randy Newman, Mike Nichols, Jack Nicholson, Gary Numan, Bob Odenkirk, Patton Oswalt, Camille Paglia, Steven Pinker, Paula Poundstone, Terry Pratchett, James Randi, Ron Reagan Jr., Keanu Reeves, Rick Reynolds, Gene Roddenberry, Joe Rogan, Henry Rollins, Andy Rooney, Salman Rushdie, Bob Simon, Steven Soderbergh, Annika Sorenstam, George Soros, Richard Stallman, Bruce Sterling, Howard Stern, J. Michael Straczynski, Julia Sweeney, Matthew Sweet, Teller, Studs Terkel, Tom Tomorrow, Linus Torvalds, Eddie Vedder, Paul Verhoeven, Gore Vidal, Kurt Vonnegut Jr., Sarah Vowell, James Watson, Steven Weinberg, Joss Whedon, Ted Williams, Steve Wozniak, HUNDREDS MORE... edit
The Agnostic
those who declare themselves agnostic
Margaret Atwood, Antonio Banderas, Susie Bright, Vincent Bugliosi, Robert X. Cringely, Clarence Darrow, Charles Darwin, Alan Dershowitz, Richard Dreyfuss, Umberto Eco, Timothy Ferris, Carrie Fisher, Stephen Jay Gould, Matt Groening, Bob Guccione, Robert (Bob) James Lee Hawke, David Horowitz, Bob Hoskins, Robert Jastrow, Matt Johnson, Jack Kevorkian, Larry King, Tony Kushner, Dave Matthews, Larry Niven, Neil Peart, Sean Penn, Roman Polanski, Bertrand Russell, Carl Sagan, Dan Savage, James Taylor, Charles Templeton, Uma Thurman, Ted Turner, Robert Anton Wilson, MORE... edit
The Ambiguous
apparently skeptical of theism or religion
Trey Anastasio, Richard Dean Anderson, John Perry Barlow, Michael Caine, Arthur C. Clarke, George Clooney, Billy Corgan, Dalai Lama, David Duchovny, Patrick Duffy, Danny Elfman, Kinky Friedman, Liam Gallagher, Noel Gallagher, Mikhail Gorbachev, Spalding Gray, Seth Green, Stephen Hawking, Hugh Hefner, Sir Edmund Hillary, Molly Ivins, Mark Knopfler, Stan Lee, Monica Lewinsky, G. Gordon Liddy, Bill Maher, Marilyn Manson, Sarah McLachlan, Mojo Nixon, Krist Novoselic, Emo Philips, Natalie Portman, Christopher Reeve, Andy Richter, Oliver Sacks, William Shatner, Neil Simon, Mira Sorvino, Donald Sutherland, Mark Twain, Gene Wilder, Bruce Willis, Edward O. Wilson, Terry Wogan, MORE... edit