Marin County, California, one of the most affluent counties in the United States, has had many well-known personalities associated with it. This is a list of current and former residents with individual entries on Wikipedia:

• America, band with Dewey Bunnell and Gerry Beckley, "Ventura Highway"
• Andre Agassi, tennis player
• Isabel Allende, writer
• Jennifer Aniston, actress
• Eve Arden (Eunice Quedens), Tamalpais High School, Class of 1926, actress (Our Miss Brooks, Grease)
• Melba Beals, civil rights activist
• Tom Barbash, author
• Michael Bloomfield, blues guitarist
• Barbara Boxer, current United States Senator
• Terry Bozzio, musician
• Joe Breeze, Tamalpais High School, Class of 1972, mountain bike inventor and industry leader
• Merritt Butrick, Tamalpais High School, Class of 1977, actor (Square Pegs; Kirk's son, David Marcus (Star Trek))
• Pete Carroll, Redwood High School, Class of 1966, head football coach at USC
• Edwin Catmull, President of the Disney-Pixar Studios
• Bill Champlin, Tamalpais High School, Class of 1965, musician (Sons of Champlin, Chicago)
• Chris Chaney, Tamalpais High School, Class of 1988, musician (Jane's Addiction, The Panic Channel)
• Brenda Chapman, animation director
• Sam Chapman, Tamalpais High School, Class of 1934, athlete (high school & college all star, California Golden Bears; MLB)
• Julia Child, Katherine Branson School, Class of 1930; host of "The French Chef"
• Craig Chaquico, guitarist from Jefferson Starship
• Maxine Chernoff, author
• John Cipollina, Tamalpais High School, Class of 1964, musician (lead guitarist for Quicksilver Messenger Service)
• Signy Coleman, Tamalpais High School, Class of 1978, model, actress (The Young and the Restless, Guiding Light)
• Elmer Collett, Tamalpais High School, Class of 1962, athlete (lineman, NFL)
• Peter Coyote, actor
• Martin Cruz Smith, author
• Charlie Cunningham, Tamalpais High School, Class of 1967, mountain bike pioneer (Mountain Bike Hall of Fame)
• Ram Dass, author of Be Here Now
• Joe DeMaestri, Tamalpais High School, Class of 1946, MLB shortstop
• Philip K. Dick, science fiction author
• George Duke, Tamalpais High School, Class of 1963, jazz pianist
• Alaura Eden, Redwood High School, American pornographic actress
• Dave Eggers, author
• Joe Eszterhas, screenwriter
• David Fincher, film director
• Jack Finney, author, The Body Snatchers,Time and Again
• Gary Fisher, mountain biking pioneer
• Jon Fisher, entrepreneur
• Tyler Florence, celebrity chef
• Phil Frank, cartoonist
• David Freiberg, musician
• Bill Graham, founder of the Fillmore West in San Francisco
• Most members of The Grateful Dead
• David Grisman, famous Mandolin player, wrote and performed movie scores
• Jerry Hannan, singer-songwriter, actor
• Sammy Hagar, singer
• Annette Haven, ex-porn star
• Sterling Hayden, actor
• Matt Hazeltine, Tamalpais High School, Class of 1951, athlete (linebacker, NFL)
• Jon Hendricks, jazz lyricist, singer
• James Hetfield, musician
• Booker T. Jones, musician
• Janis Joplin, singer
• Charlie Kelly, Tamalpais High School, Class of 1963, roadie (Sons of Champlin); Mountain Bike Hall of Fame
• Klaus Kinski, actor
• Anne Lamott, writer
• John Lasseter, film director and Disney executive
• Anton Szandor LaVey (Howard Stanton Levey), Tamalpais High School, Class of ~1947, founder, Church of Satan
• Sharon Lebell, author
• John Lennon, musician
• Barry Levinson, film director
• Huey Lewis, singer
• Kevin Lima, film director
• John Walker Lindh, American who fought for the Taliban
• Ki Longfellow, aka Pamela Longfellow, novelist
• George Lucas, film director and founder of Lucasfilm
• Andy Luckey, Redwood High School Class of 1983 Television Producer, Author, Illustrator
• Ray Lynch, composer and mathematician
• Maria Muldaur, singer/songwriter - "Midnight at the Oasis"
• Joyce Maynard, author
• Brian Maxwell, Powerbar founder
• Artie Mitchell, pornographic film producer
• Van Morrison, singer and songwriter
• Jonny Moseley, gold medal winning Olympic skier
• Walter Murch, film editor
• Gavin Newsom, current mayor of San Francisco
• Don Novello, actor and writer
• Karl Olson, Tamalpais High School, Class of 1948, MLB outfielder
• William L. Patterson, Tamalpais High School, Class of 1911, attorney; civil rights pioneer
• Pat Paulsen, Tamalpais High School, Class of 1945, statesman; comic (Smothers Brothers Comedy Hour)
• Jacquie Phelan Mountain Biking pioneer and racing champion now freelance cycle skills trainer and writer
• Sean Penn, actor, activist
• Robin Wright Penn, actress
• Brad Pitt, actor
• Steve Potts, bicycle framebuilder
• Kathleen Quinlan, Tamalpais High School, Class of 1972, actress (American Graffiti, Apollo 13, Oliver Stone's The Doors)
• Bonnie Raitt, singer
• Bill Rafferty, former game show host, comedian
• Hal Riney, advertising executive
• Jason Roberts, author
• Pernell Roberts, actor, civil rights activist
• Brande Roderick, model and actress
• George H. Ruge, San Francisco radio pioneer
• Kay Ryan, Poet Laureate of the United States
• Carlos Santana, musician
• Aram Saroyan, poet
• Strawberry Saroyan, novelist
• Michael Savage (commentator), right-wing radio host
• Charles Schwab, investor
• Tupac Shakur, Tamalpais High School, Class of 1989, rapper, poet, and actor
• Peter Shor, Tamalpais High School, Class of 1977, mathematician, MIT; MacArthur Fellow
• Grace Slick, musician; Jefferson Airplane
• Gary Snyder, poet
• Tom Snyder, television talk host
• Myron Spaulding, boat designer and builder, sailboat racer and concert violinist
• David Strathairn, Redwood High School, actor
• Adam Steltzner, Tamalpais High School, NASA scientist
• Amy Tan, author
• Courtney Thorne-Smith, Tamalpais High School, Class of 1985, actress (Melrose Place, Ally McBeal, According to Jim)
• Scott Thunes, musician
• Peter Tork, musician; member of The Monkees
• Lars Ulrich, musician
• Vendela Vida, author
• John L. Wasserman, San Francisco Chronicle entertainment critic
• Cassandra Webb, (Cassandra Politzer), Tamalpais High School, Class of 1976, actress (Starship, Sons and Daughters)
• Robin Williams, Redwood High School, actor and comedian
• Tony Williams, drummer
• Jesse Colin Young, singer/songwriter famous in the 70s/80s, "Song for Julia"
• Saul Zaentz, American movie producer
• Prince Andrew Romanov, Russian royal and artist