The year 1955 started on a Saturday.
Theatrical releases
Feature films
- May 25 - Davy Crockett, King of the Wild Frontier
- June 16 - Lady and the Tramp premiered in Chicago, Illinois
- June 22 - Lady and the Tramp
- September 14 - The African Lion
- October 5 - Music Land
- December 22 - The Littlest Outlaw
Shorts
- January 14 - No Hunting
- January 16 - Switzerland
- March 11 - Contrasts in Rhythm
- April 1 - Blame It on the Samba
- May 13 - Pedro
- May 25 - Arizona Sheepdog
- June 10 - El Gaucho Goofy
- July 25 - The Flying Gauchito
- August 19 - Bearly Asleep
- September 2 - Beezy Bear
- September 14 - Peter and the Wolf
- September 23 - Up a Tree
- December 25 - The Legend of Johnny Appleseed
Character debuts
- June 16 - Lady, Tramp, Jock, Trusty, Aunt Sarah, Si and Am, Jim Dear, Darling, Jim Jr., Tony, Joe, the Stray Dogs, Mr. Busy, the Rat, Pound Dogs, Scamp
Theme parks
- July 17 - Disneyland opens, being the first Disney theme park to open.
- December 25 - Fink 169 Boats opens at Disneyland.
Television
- October 3 - The Mickey Mouse Club begins airing.
People
Births
- Julien D'ys (hair stylist, photographer, set designer, and painter)
- January 3 - Hal Rayle (voice actor)
- January 6 - Rowan Atkinson (actor, comedian, and screenwriter)
- January 9 - J.K. Simmons (actor)
- January 18 - Kevin Costner (actor, singer, musician, producer, and director)
- January 19 - Paul Rodriguez (comedian)
- February 7 - Miguel Ferrer (actor and voice actor)
- February 15 - Christopher McDonald (actor, voice actor, and comedian)
- February 19 - Jeff Daniels (actor, comedian, musician, and playwright)
- February 21 - Kelsey Grammer (actor)
- February 24 - Steve Jobs (animator)
- February 27 - Lou Hirsch (actor)
- February 28 - Gilbert Gottfried (comedian, voice actor, and actor)
- March 5 - Penn Jillette (illusionist, comedian, musician, and author)
- March 13 - Glenne Headly (actress, voice actress, and comedian)
- March 17 - Mark Boone Junior (actor and voice actor)
- March 19 - Bruce Willis (actor, comedian, producer, and singer)
- March 22 - Lena Olin (actress)
- March 28 - Reba McEntire (singer, songwriter, record producer, actress, and television producer)
- March 29
- Marina Sirtis (actress)
- Christopher Lawford (actor, producer, author, and politician)
- April 6 - Michael Rooker (actor)
- April 17 - Kristine Sutherland (actress)
- April 26 - Jan Rippe (actor, comedian, and singer)
- April 29
- Richard Epcar (actor, voice actor, director, and writer)
- Kate Mulgrew (actress)
- May 6 - Tom Bergeron (television personality and game show host)
- May 17 - Bill Paxton (actor and film director)
- May 18 - Chow Yun-fat (actor)
- May 25 - Allan Trautman (actor and puppeteer)
- May 31 - Susie Essman (voice artist)
- June 2 - Dana Carvey (actor and stand-up comedian)
- June 6 - Sandra Bernhard (actress)
- June 15
- Julie Hagerty (actress and former model)
- Andy Tennant (actor, director, producer, and screenwriter)
- June 16 - Laurie Metcalf (voice artist)
- June 24 - Betsy Randle (actress)
- June 25 - Michael McShane (actor)
- June 28 - Michael Jacobs (writer and producer)
- July 3 - Jesse Corti (voice actor)
- July 22 - Willem Dafoe (actor)
- August 3 - Corey Burton (voice artist)
- August 7 - Wayne Knight (voice artist)
- September 2 - Linda Purl (actress)
- September 9 - Edward Hibbert (actor)
- September 12 - Peter Scolari (actor)
- September 15 - Bruce Reitherman (voice actor)
- October 2 - Warren Spector (video game designer)
- October 7 - Yo-Yo Ma (cellist)
- October 20 - Thomas Newman (film composer)
- October 22 - Bill Condon (director and screenwriter)
- October 26 - Neil Meron (producer)
- November 9 - Karen Dotrice (actress)
- November 13 - Whoopi Goldberg (actress, voice actress, comedian, author, talk show host)
- November 27 - Bill Nye (science educator, comedian, television host, actor, writer, and scientist)
- November 29 - Howie Mandel (actor, comedian, and voice actor)
- November 30 - Billy Idol (singer, songwriter, musician, and actor)
- December 5 - Richard Gibbs (composer, producer, conductor, and musician)
- December 6 - Steven Wright (actor and standup comedian)
- December 8 - Joe Maggard (actor, singer, and former deputy sheriff)
- December 16 - Xander Berkeley (actor, voice actor)
- December 21 - Jane Kaczmarek (actress)
Deaths
- April 18 - Albert Einstein (physicist and scientist)
Artists joined
1955