20

Twenty or 20 may refer to:


 * 20 (number), the natural number following 19 and preceding 21
 * one of the years 20 BC, AD 20, 1920, 2020

Science

 * Calcium, an alkaline earth metal in the periodic table found in bones and teeth
 * 20 Massalia, an asteroid in the asteroid belt

Albums

 * 20 (2nd Chapter of Acts album), 1992
 * 20 (Cunter album), 2011
 * 20 (Dragana Mirković album), 2012
 * 20 (Harry Connick, Jr. album), 1988
 * 20 (Jan Smit album), 2016
 * 20 (Kate Rusby album), 2012
 * 20 (Terminaator album), 2007
 * 20 (TLC album), 2013
 * 20 (No Angels album), 2021
 * #20 (Edmond Leung album), 2011
 * 20th (album), by Casiopea, 2000
 * 20 [Twenty], an album released in Japan by South Korean rock band F.T. Island, 2012
 * Twenty (Boyz II Men album), 2011
 * Twenty (Chicane album), 2016
 * Twenty (Jebediah album), 2015
 * Twenty (Lynyrd Skynyrd album), 1997
 * Twenty (Robert Cray album), 2005
 * Twenty (Taking Back Sunday album), 2019

Songs

 * "Twenty" (The Rippingtons song) from 20th Anniversary, 2006
 * "Twenty", a song by Karma to Burn from the album Wild, Wonderful Purgatory, 1999

Tours

 * The Twenty Tour, a 2019 music concert tour by Irish pop vocal band Westlife
 * Twenty (concert), a 2006 music concert by Filipina singer Regine Velasquez

Places

 * Twenty, Lincolnshire, a hamlet in England
 * Twenty railway station, a former railroad station in Lincolnshire, England
 * The Twenty, Georgia or West Green, an American unincorporated community in Coffee County
 * Twenty Lake, a lake in Minnesota
 * Twenty Lakes Basin, in California's eastern Sierra

Other uses

 * 20 (TV channel), Italy
 * Twenty (film), a 2015 South Korean film
 * 20, the international dialing code for Egypt.
 * Tatra 20, a luxury car
 * Renault 20, an executive hatchback
 * Rover 20, various mid-sized cars