Underground
- 1518 (album)
- 6 Underground (disambiguation)
- Adrian R'Mante
- Analog Pussy
- Anthony Asquith
- Buenos Aires Underground
- Business as Usual (Men at Work album)
- Circus Hero
- Civilian (Gentle Giant album)
- Emir Kusturica
- Irgun
- Julian Assange
- London
- London Underground
- Mani Spinx
- Mark Strange
- Melora Walters
- Narodnaya Volya
- Overground (disambiguation)
- Panorama (Hayley Kiyoko album)
- Pokey LaFarge
- Polish Underground State
- Rapid transit
- Relapse (Eminem album)
- Resistance during World War II
- Resistance movement
- Robert Goulet
- Roots (Curtis Mayfield album)
- Sonic the Hedgehog 2 (8-bit video game)
- Sophie Dupuis
- Subterranea (geography)
- Swordfishtrombones
- TCM Underground
- The Great Escape Artist
- The Original High
- The Underground (Animorphs)
- The Underground (Boston)
- The Underground (Stoke concert venue)
- The Underground (TV series)
- The Underground (roller coaster)
- Tom Clancy's The Division
- Tony Hawk's Underground
- Tony Hawk's Underground 2
- Triptych (The Tea Party album)
- UK underground
- Underground (1928 film)
- Underground (1941 film)
- Underground (1970 film)
- Underground (1976 film)
- Underground (1995 film)
- Underground (2020 film)
- Underground (Armchair Theatre)
- Underground (Ben Folds Five song)
- Underground (BoJack Horseman)
- Underground (Chris Potter album)
- Underground (Courtney Pine album)
- Underground (David Bowie song)
- Underground (Dreyfus book)
- Underground (Evermore song)
- Underground (Graham Bonnet album)
- Underground (Jayo Felony album)
- Underground (Manhattan)
- Underground (McGahan novel)
- Underground (Murakami book)
- Underground (Phil Keaggy album)
- Underground (Stargate Atlantis)
- Underground (TV series)
- Underground (The Electric Prunes album)
- Underground (Thelonious Monk album)
- Underground (Twinkle Brothers album)
- Underground (play)
- Underground (role-playing game)
- Underground (soundtrack)
- Underground 2 (disambiguation)
- Underground Atlanta
- Underground City, Montreal
- Underground Railroad
- Underground city
- Underground culture (disambiguation)
- Underground economy
- Underground living
- Underground mining (hard rock)
- Underground music
- Underground press
- Underground producciones
- Undertale
- Vincent Sherman
- Weather Underground