Enigma
Enigma or The Enigma may refer to:
 Riddle, someone or something that is mysterious or puzzling

Biology
 ENIGMA, a class of gene in the LIM domain

Computing and technology
 Enigma (company), a New York-based data-technology startup
 Enigma machine, a family of German electro-mechanical encryption machines
 Enigma, the codename for Red Hat Linux 7.2

Film
 Enigma (1982 film), a film starring Martin Sheen and Sam Neill
 Enigma (2001 film), a film adapted from the Robert Harris novel
 Enigma (2009 film), a short film by the Shumway Brothers

Literature
 Enigma (novel), a 1995 novel by Robert Harris
 Enigma (DC Comics), a DC Comics character
 Enigma (Marvel Comics), a Marvel Comics character
 Enigma (Vertigo), a title published by DC's imprint Vertigo
 Enigma (manga), a 2010 manga published in Weekly Shōnen Jump
 Enigma Cipher, a series from Boom! Studios
 Enigma, a novel in The Trigon Disunity series by Michael P. Kube-McDowell
 "Enigma" and "An Enigma", two poems by Edgar Allan Poe

Music
 Enigma (German band), an electronic music project founded by Michael Cretu 
 Enigma (British band), a 1980s band
 Enigma Records, an American rock and alternative record label in the 1980s
 Enigma Variations, 14 variations composed by Edward Elgar

Albums
 Enigma (Ill Niño album) (2008)
 Enigma (Tak Matsumoto album) (2016)
 Enigma (Keith Murray album) (1996)
 Enigma (Aeon Zen album) (2013)

Songs
 "Enigma (Give a Bit of Mmh to Me)", 1978, by Amanda Lear
 "Enigma", 2007, by Amorphis from Silent Waters
 "Enigma", 2002, by Trapt from Trapt
 "Enigma", 2014, by Within the Ruins from Phenomena
 "Enigma", 2020, by Lady Gaga from Chromatica

Places
 Enigma, Georgia
 Enigma, Tennessee
 Enigma Peak, a mountain in Palmer Land, Antarctica

Television
 Enigma (Derren Brown), a televised tour show
 Enigma (TV series), a Biography Channel TV series
 "Enigma" (NCIS), an episode of NCIS
 "Enigma" (Stargate SG-1), an episode of Stargate SG-1
 Enigma, a character from Nip/Tuck

Transport
 Enigma (yacht), a private superyacht 
 Dynamic Sport Enigma, a Polish paraglider design
 Enigma Motorsport, a British motor-racing team

Video games
Enigma (1998 video game)
Enigma (2007 video game)
Enigma: Rising Tide, a 2003 video game
 Enigma, a character from Dota 2
"The Enigma", an episode of the video game Batman: The Enemy Within

Other uses
 The Enigma (performer), American
 Enigma (roller coaster), Pleasurewood Hills, Suffolk, England
 Enigma - Museum for Post, Tele og Kommunikation, the national Danish postal museum
 The Enigma, a monthly publication of the National Puzzlers' League
 Enigma, mathematical puzzles published in New Scientist 1979-2013
The Enigma (diamond), a black diamond

See also
 Ænigma (disambiguation)
Enigmata (disambiguation) 
 Enigmatic (disambiguation)
 Lady Gaga Enigma, a concert residency
 Publius Enigma, an unsolved Internet puzzle
 23 enigma, a belief in the significance of number 23