Underground
Underground most commonly refers to:

Subterranea (geography), the regions beneath the surface of the EarthUnderground may also refer to:

Places
Buenos Aires Underground, a rapid transit system
London Underground, a rapid transit system
The Underground (Boston), a music club in the Allston neighborhood of Boston
The Underground (Stoke concert venue), a club/music venue based in Hanley, Stoke-on-Trent
Underground (Manhattan), a music club (1980—1989) in Manhattan
Underground Atlanta, a shopping and entertainment district in the Five Points neighborhood of downtown Atlanta, Georgia
Underground City, Montreal
Underground city, a series of linked subterranean spaces
Underground living, refers simply to living below the ground's surface

Arts, entertainment, and media
Films
Underground (1928 film), a drama by Anthony Asquith
Underground (1941 film), a war drama by Vincent Sherman
Underground (1970 film), a war drama starring Robert Goulet
Underground (1976 film), a documentary about the radical organization the Weathermen
Underground (1989 film), a film featuring Melora Walters
Underground (1995 film), a film by Emir Kusturica
The Underground (1997 film), a cop must stop the killings of rap stars
Underground (2007 film), a British independent film starring Mark Strange
Underground (2011 film), a horror film starring Adrian R'Mante
Underground (2020 film), a/k/a Souterrain, a drama film directed by Sophie Dupuis
Underground: The Julian Assange Story, a 2012 Australian television film on Julian Assange for Network Ten

Games
Underground (role-playing game), a satirical superhero game
Underground, an expansion pack for Tom Clancy's The Division
Medal of Honor: Underground, a 2000 first-person shooter
Need for Speed: Underground, a 2003 racing video game
Need for Speed: Underground 2, a 2004 racing video game
Tony Hawk's Underground, a 2003 skateboarding video game
Tony Hawk's Underground 2, a 2004 skateboarding video game
Underground Zone, the first level in Sonic the Hedgehog 2 (8-bit)

Literature
Underground (Dreyfus book), a 1997 nonfiction book about computer hacking
Underground (McGahan novel), by Andrew McGahan
Underground (Murakami book), a 1998 collection of interviews about the Tokyo sarin gas attack
The Underground (Animorphs), by K. A. Applegate
The Underground (Left Behind: The Kids), by Jerry B. Jenkins and Tim LaHaye
Underground comix

Music
Albums
Underground (The Electric Prunes album), 1967
Underground (Thelonious Monk album), 1968
Memphis Underground, Herbie Mann album, 1968
Underground (Twinkle Brothers album), ?
Underground (Phil Keaggy album), 1983
Underground (Graham Bonnet album), 1997
Underground (Jayo Felony album), 1999
Underground (Courtney Pine album), 1997
Underground (Chris Potter album), 2006
Underground (soundtrack), by Goran Bregović, 2000
Underground, by Analog Pussy, ?
Underground Vol. 1: 1991–1994, a compilation album by Three 6 Mafia, 1999
Underground Vol. 2: Club Memphis, a compilation album by Three 6 Mafia, 1999

Songs
"Underground", a song by Curtis Mayfield from Roots, 1970
"Underground", a song by Gentle Giant from Civilian
"Underground", a song by Tom Waits from Swordfishtrombones
"Underground", song by Men at Work from Business as Usual, 1980s
"Underground" (David Bowie song), featured in the film Labyrinth
"Underground" (Ben Folds Five song), 1995
"Underground" (Evermore song), 2010
"Underground", a song by Adam Lambert from The Original High, 2015
"Underground", a song by Circa Zero from Circus Hero
"Underground", a song by Decadence from Undergrounder, 2017
"Underground", a song by Eminem from Relapse
"Underground", a song by Jane's Addiction from The Great Escape Artist
"Underground", a song by Pokey LaFarge from Something In The Water
"Underground", a song by The Tea Party from Triptych
"The Underground", a song by Mani Spinx

Other uses in music
Underground music, a variety of music subgenres

Television
Underground (TV series), a 2016 American television drama series
TCM Underground, a weekly cult-film showcase
The Underground (TV series), a sketch comedy show
"Underground" (1958 TV play), a British television drama, part of Armchair Theatre
"Underground" (Stargate Atlantis), an episode of Stargate Atlantis
"Underground" (BoJack Horseman), an episode of BoJack Horseman
"Underground", a Transformers: Armada episode

Other uses in arts, entertainment, and media
Underground (play), by Michael Sloane
Underground press, independent counterculture publications
Underground producciones, an Argentine producer of TV series

Groups and organizations
Narodnaya Volya, an underground group in late 19th-century Russia
Resistance movement
Resistance during World War II, with some groups sometimes referred to informally as "The Underground"
Polish Underground State (Polish: Polskie Państwo Podziemne), 1939-1945
Weather Underground, a clandestine far-left terrorist group which operated in the United States of America between 1969 and 1977

Other uses
Underground economy, a market system operating outside of legal regulations
UK underground, a counter-cultural movement in the United Kingdom
Underground Railroad, an informal network of secret routes and safe houses
The Underground (roller coaster), a wooden roller coaster at Adventureland (Iowa)
Underground mining (hard rock), removal of valuable minerals from below the Earth's surface

See also
Rapid transit, rail-based transportation systems, which often operate in tunnels
Underground culture (disambiguation)
Underground 2 (disambiguation)
6 Underground (disambiguation)
Overground (disambiguation)