12

Twelve or 12 may refer to:
 * 12 (number)
 * December, the twelfth and final month of the year
 * Dozen, a group of twelve

Years

 * 12 BC
 * AD 12
 * 1912
 * 2012

Film

 * Twelve (2010 film), based on the 2002 novel
 * 12 (2007 film), by Russian director and actor Nikita Mikhalkov
 * 12 (2003 film), by American filmmaker Lawrence Bridges

Literature

 * 12: The Elements of Great Managing, a 2006 business book by Rodd Wagner and James K. Hartjker
 * Twelve (novel), 2002 novel by Nick McDonell
 * Twelve, a 2007 novel by Lauren Myracle, part of The Winnie Years
 * Twelve (publisher), an imprint of Grand Central Publishing
 * Twelve, a 2009 novel by Jasper Kent

Music

 * 12 (The Notwist album), 1995
 * 12 (Herbert Grönemeyer album), 2007
 * 12 (Keller Williams album), 2007
 * 12 (Fiskales Ad-Hok album), 2009
 * 12 (ASAP Twelvyy album), 2017
 * 12 (Sloan album), 2018
 * 12 (American Song Book), Mina album, 2012
 * 12 (Ryuichi Sakamoto album), 2023
 * 12!, Sonny Stitt album, 1972
 * Twelve (Cobalt 60 album), 1998
 * Twelve (Patti Smith album), 2007
 * Twelve (Iz*One album), 2020
 * "12", a song by Insane Clown Posse from the album Riddle Box
 * "12", a song by The 1975 from the album The 1975
 * "12", a song by Mirror, 2021

Other uses

 * Twelve (company), a chemical technology company in Berkeley, California
 * Twelve (Street Fighter), a video game character from the Street Fighter series
 * iOS 12, an operating system by Apple
 * 12 Victoria, an asteroid in the asteroid belt
 * 12, a slang term for law enforcement
 * Tatra 12, a mid-sized car
 * Rover 12, various mid-size cars produced by Rover