21

Twenty-one or 21 may refer to:

• 21 (number), the natural number following 20 and preceding 22
• The years 21 BC, AD 21, 1921, 2021

Films

• 21 (2008 film), starring Kevin Spacey, Laurence Fishburne, Jim Sturgess, and Kate Bosworth
• Twenty-One (1991 film), starring Patsy Kensit
• Twenty-One (1923 film), starring Richard Barthelmess
• Twenty-One (1918 film), starring Bryant Washburn

Music

• XXI (band), a band formerly known as A Feast for Kings

Albums

• 21 (Adele album), 2011
• Twenty One (Geri Allen album), 1994
• 21 (Hunter Hayes EP), 2015
• 21 (Omarion album), 2006
• 21 (Rage album), 2012
• 21?! EP, a 2008 EP by Marya Roxx
• Twenty 1, a 1991 album by Chicago
• Twenty One (Mystery Jets album), 2008
• XXI, a Rammstein compilation album

Songs

• "21" (The Paddingtons song), 2004
• "21" (Hunter Hayes song), 2015
• "21", a song by South Korean singer Dean featured on 130 mood: TRBL, 2016
• "21", a song by Corey Hart on Young Man Running
• "Twenty One", a song by The Shirelles
• "Twenty One", a song by Khalid from Free Spirit
• "Twenty-One", a song by The Eagles from Desperado
• "Twenty One", a song by The Cranberries from No Need to Argue
• "Twenty One", a song by Corey Smith

Games and sports

• Twenty-One (card game), forerunner of Blackjack and Pontoon
• 21 (drinking game), a counting game
• Twenty-one (basketball), a basketball variation
• Twenty-One (game show), an American game show from 1956 to 1958 and in 2000
• Catch 21, an American game show based on Blackjack

Other uses

• 21 (novel) or The Final Unfinished Voyage of Jack Aubrey, by Patrick O'Brian, 2004
• "21" (Boardwalk Empire), a television episode of Boardwalk Empire
• 21 Club in New York City
• Twentyone Lake, a lake in Minnesota

See also

• 021 (disambiguation)
• Twenty to One, a 1935 British musical comedy