Den
Den may refer to:

Den (room), a small room in a house
Maternity den, a lair where an animal gives birth

Media and entertainment
Den (album), 2012, by Kreidler
Den (Battle Angel Alita), a character in the Battle Angel Alita manga series
Den (film), a 2001 independent horror film
Den (comics), name of 2 comic book characters
Den Watts, or "Dirty Den", a character in the British soap opera EastEnders
Den, a character in Thomas & Friends
Den, the Ukrainian newspaper The Day (Kyiv)

People
Den (pharaoh), pharaoh of Egypt from 2970 BC
Den Brotheridge (1915–1944), British Army officer
Den Dover (born 1938), British politician
Den Fujita (1926–2004), Japanese businessman, founder of McDonald's Japan
Den Harrow (born 1962), stage name of Italian fashion model Stefano Zandri
Den Hegarty (born 1954), Irish rock and roll, doo-wop and a cappella singer living in Britain

Other uses
Den or denier (unit), a measure of the linear mass density of fibers
Den, abbreviation for the orchid genus Dendrobium
DEN, IATA code for Denver International Airport
DEN, IATA code for the former Stapleton International Airport in Denver, Colorado
A common abbreviation for the U.S. city of Denver, Colorado and its major professional sports teams:
Denver Broncos, the city's National Football League team
Denver Nuggets, the city's National Basketball Association team

See also
The Den (disambiguation)
DEN (disambiguation)
Denn (disambiguation)
Dens (disambiguation)
Lair (disambiguation)