13

Thirteen or 13 may refer to:
 * 13 (number), the natural number following 12 and preceding 14
 * One of the years 13 BC, AD 13, 1913, 2013

Music

 * 13AD (band), an Indian classic and hard rock band

Albums

 * 13 (Black Sabbath album), 2013
 * 13 (Blur album), 1999
 * 13 (Borgeous album), 2016
 * 13 (Brian Setzer album), 2006
 * 13 (Die Ärzte album), 1998
 * 13 (The Doors album), 1970
 * 13 (Havoc album), 2013
 * 13 (HLAH album), 1993
 * 13 (Indochine album), 2017
 * 13 (Marta Savić album), 2011
 * 13 (Norman Westberg album), 2015
 * 13 (Ozark Mountain Daredevils album), 1997
 * 13 (Six Feet Under album), 2005
 * 13 (Suicidal Tendencies album), 2013
 * 13 (Solace album), 2003
 * 13 (Second Coming album), 2003
 * 13 (Ces Cru EP), 2012
 * 13 (Denzel Curry EP), 2017
 * Thirteen (CJ & The Satellites album), 2007
 * Thirteen (Emmylou Harris album), 1986
 * Thirteen (Harem Scarem album), 2014
 * Thirteen (James Reyne album), 2012
 * Thirteen (Megadeth album), 2011
 * Thirteen (October Noir album), 2019
 * Thirteen (Robert Miles album), 2011
 * Thirteen (Teenage Fanclub album), 1993
 * Thirteens (album), by Leona Naess, 2008

Songs

 * "13", a song by Anthrax from State of Euphoria
 * "13", a song by D'espairsRay from Monsters
 * "13", a song by Megadeth from Thirteen
 * "13", a song by Perspects from the Miss Kittin album A Bugged Out Mix
 * "13", a song by Tally Hall on the album Marvin's Marvelous Mechanical Museum
 * Track 13, an untitled spoken-word track on the album Miscellaneous T by They Might Be Giants
 * "Thirteen", one of the Number Pieces by John Cage
 * "Thirteen" (song), 1972, by Big Star
 * "Thirteen", a song by Danzig from 6:66 Satan's Child; first recorded by Johnny Cash
 * "Thirteen", by C418 from Minecraft - Volume Alpha, 2011
 * "Thirteen", by The Antlers from Hospice
 * "Thir13teen", by Type O Negative from Life Is Killing Me

Fictional characters

 * Thirteen (House) or Dr. Remy Hadley, in the television series House
 * Thirteen (My Hero Academia), in the manga series My Hero Academia
 * Doctor Thirteen, a DC Comics character
 * Traci Thirteen, a DC Comics character
 * 13, a character from the Japanese anime Dorohedoro
 * 13, a cat in the animated series The Zimmer Twins

Film, television, and theater

 * The Thirteen, a 1937 Soviet action film
 * Thirteen (1974 film), a Hong Kong film
 * Thirteen (2003 film), an American film
 * 13 (2006 film), a horror comedy released as Botched
 * 13 (2010 film), an English-language remake of 13 Tzameti
 * 13th (film), a 2016 American documentary
 * 13 (manga), 2014, by Sorachi Hideaki
 * 13 (musical), 2007, by Jason Robert Brown
 * 13: The Musical, 2022, a Netflix film adaptation of the stage musical
 * 13 (play), 2011 play
 * 13: Fear Is Real, a 2009 reality TV show
 * Thirteen (TV series), a 2016 British TV series
 * Thirteen (television station), or WNET, a television station licensed to Newark, New Jersey

Books

 * 13 (Armstrong novel), a 2012 novel in the Women of the Otherworld series by Kelley Armstrong
 * 13 (Zeitoun novel), a 2002 novel by Canadian author Mary-Lou Zeitoun
 * Thirteen (comics), a story in 2000 AD
 * XIII ("Thirteen"), a Belgian graphic novel series
 * Thirteen, the US title of Black Man, a 2007 science fiction novel
 * Thirteen, a 2008 children's novel in the Winnie Years series by Lauren Myracle

Games

 * 13 (card game), a Vietnamese card game
 * Thirteens, or Baroness, a solitaire card game
 * XIII (game), a 2003 first-person shooter video game based on the Belgian comic series of the same name

Other uses

 * Thirteen (roller coaster), a steel roller coaster at Alton Towers in England
 * List of highways numbered 13
 * Runway 13, see Kai_Tak_Airport
 * First Aberdeen bus route 13
 * 13 Egeria, a main-belt asteroid
 * Tatra 13, a truck manufactured by Tatra