23

23 may refer to:
 * 23 (number), the natural number following 22 and preceding 24
 * one of the years 23 BC, AD 23, 1923, 2023

Science

 * Vanadium, a transition metal in the periodic table
 * 23 Thalia, an asteroid in the asteroid belt

Film and television

 * 23 (film), a 1998 German film
 * "23" (Will & Grace), a 2003 episode of the sitcom
 * The Number 23, a 2007 film starring Jim Carrey
 * "The Number 23" (Ugly Betty episode) or East Side Story, 2007

Music

 * 23, a German rap duo composed of Bushido and Sido
 * Spiral Tribe
 * Network 23 (record label)

Albums

 * 23 (Enterprise Earth EP), 2014
 * 23 (23 album), 2011, by German rappers Bushido and Sido alias 23
 * 23 (Blonde Redhead album), 2007
 * 23 (Rythem album), the third album from the Japanese duo, Rythem
 * 23 (Shadow Child EP), 2012, featuring Tymer
 * 23 (The Silents EP), 2007
 * 23 (mixtape), 2022, the second mixtape by Central Cee
 * Untitled #23, a 2009 album by The Church
 * Twentythree, a 2005 album by Tristan Prettyman
 * Twentythree, by the band Carbon Based Lifeforms

Songs

 * "23", a song by Enterprise Earth from their 2014 EP 23
 * "23" (Chayce Beckham song)
 * "23" (Mike Will Made It song), featuring Miley Cyrus, Wiz Khalifa and Juicy J
 * "23" (Sam Hunt song)
 * "Twenty-Three" (song), by IU
 * "23", a song by German rap duo 23 (Bushido and Sido) from the album 23
 * "23", a song by Blonde Redhead from 23
 * "23", a song by Jimmy Eat World from their 2004 album Futures
 * "23", a song by Maluma from F.A.M.E
 * "23", a song by Saweetie from High Maintenance
 * "23", a song by Shakira from Shakira
 * "23", a song by Simon Neale as Shadow Child
 * "23", a song by The Silents from 23
 * "23", a song by Chase Atlantic from Part Three
 * "23", a song by Lawrence from Family Business
 * "Twenty Three", a song by Big John
 * "Twenty Three", a song by Duffy
 * "Twentythree" by Yellowcard
 * "Twenty-Three, for 13 violins, 5 violas & 5 cellos", a 1988 composition by John Cage
 * "Twenty Three", a song by Karma to Burn from the album Arch Stanton, 2014

Other uses

 * 23 (numerology) or 23 enigma, a superstitious belief in the significance of the number 23
 * 23 Stirling–St Andrews, a withdrawn bus service in Scotland
 * Thee Temple ov Psychick Youth