A nightmare is a frightening dream.

Nightmare(s) or The Nightmare may also refer to:

Art and literature Mare (folklore) or nightmare, a demon of Germanic folklore Night Mare, a 1983 novel by Piers Anthony The Nightmare, a painting by Henry Fuseli Nightmare (Marvel Comics), a fictional supernatural being Nightmare (Topčić novel), a 1997 Bosnian novel by Zlatko Topčić Nightmare (Brock novel), a 1932 novel by Lynn Brock Nightmare, a painting by Nicolai Abildgaard Nightmare, a horror comic from Skywald Publications Nightmare, a 1970 novel by Russell H. Greenan Nightmares!, a young adult book series co-authored by Jason Segel and Kirsten Miller Nightmare, a horror fiction magazine edited by John Joseph Adams The Nightmare, a 1954 collection of short stories by C. S. Forester about World War II

Computing and gaming Nightmare (Atmosfear series), a board game Nightmare (Devil May Cry), a demon in the video game series Devil May Cry Nightmare (Dungeons & Dragons), a creature in the role-playing game Dungeons & Dragons Nightmare (Kirby), a villain in the video game Kirby's Adventure Parallel Nightmare, an alternate version of Nightmare who is the primary antagonist of Super Kirby Clash NightMare (scareware), an early scareware program Nightmare (Soulcalibur), a villain in the fighting game series Soulcalibur Nightmare, a boss in the video game The Legend of Zelda: Link's Awakening Nightmare, a boss in the video games Metroid Fusion and Metroid: Other M Nightmare, one of the antagonists of the survival horror game Five Nights at Freddy's 4 Knight Mare, the name of a Dark-element Skylander from Skylanders: Trap Team

Film A Nightmare, 1896 French short silent film directed by Georges Méliès Nightmare (1942 film), mystery starring Diana Barrymore Nightmare (1956 film), psychological thriller starring Edward G. Robinson Nightmare (1964 film), suspense film from Hammer Films Nightmare (1965 film), a Swedish thriller film directed by Arne Mattsson Nightmares (1979 film), Polish film directed by Wojciech Marczewski Nightmares (1980 film), Australian horror film Nightmare (1981 film), "video nasty" slasher film Nightmares (1983 film), horror film starring Emilio Estevez Nightmare (2000 film), South Korean horror film Nightmare (2005 film), film produced by Morgan Pehme Nightmare (2011 film), Chinese horror film Nightmare (2012 film), Finnish horror thriller film The Nightmare (2015 American film), documentary by Rodney Ascher The Nightmare (2015 German film), drama film directed by Achim Bornhak

Music Nightmare (French band), a power metal band Nightmare (Japanese band), a visual kei rock band Nghtmre (born 1990), American DJ and trap producer Nightmare Records, an American label founded by Lance King

Albums Nightmare (Avenged Sevenfold album) or the title song (see below), 2010 Nightmare (Nightmare album), by the Japanese band, 2011 Nightmare (single album), by Dreamcatcher, 2018 Nightmares (Architects album), 2006 Nightmares...and Other Tales from the Vinyl Jungle, by the J. Geils Band, or the title song, 1974 Nightmares, by From Ashes Rise, 2003 Nightmares, by Terrorizer, 1987

EPs Nightmare: The Acoustic M.S.G., by McAuley Schenker Group, 1992 ...Nightmare, by Negazione, 1987 Nghtmre (EP), by Nghtmre, 2016 Nightmarer, by Queens Club, 2009 Nightmares (EP), by Omen, or the title song, 1987

Songs "Nightmare" (Avenged Sevenfold song), 2010 "Nightmare" (Halsey song), 2019 "Nightmare" (Tuesday Knight song), 1988 "Nightmare" (instrumental), by Brainbug, 1997 "Nightmares" (Bresh song), 2023 "Nightmares" (Chris Brown song), 2023 "Nightmare", by Alma from Have U Seen Her?, 2020 "Nightmare", by The Amity Affliction from This Could Be Heartbreak, 2016 "Nightmare", by Artie Shaw, 1938 "Nightmare", by Black Sabbath from The Eternal Idol, 1987 "Nightmare", by Brendan Small from Brendon Small's Galaktikon II: Become the Storm, 2017 "Nightmare", by Crooked X from Crooked X, 2009 "Nightmare", by Gillan from Double Trouble, 1981 "Nightmare", by Gothminister from Utopia, 2013 "Nightmare", by Mercyful Fate from Don't Break the Oath, 1984 "Nightmare", by Nothing,Nowhere from Trauma Factory, 2021 "Nightmare", by Offset and Metro Boomin from Without Warning, 2017 "Nightmare", by Polaris from Fatalism, 2023 "Nightmare", by Prism from Beat Street, 1983 "Nightmare", by Pvris from Hallucinations "Nightmare", by Red Velvet from Chill Kill, 2023 "Nightmare", by Tyler, the Creator from Goblin, 2011 "Nightmare", by Venom from Possessed, 2002 reissue "Nightmare (Please Wake Me Up)", by John Entwistle from Whistle Rymes, 1972 "Nightmares", by All Time Low from Last Young Renegade, 2017 "Nightmares", by Chameleon Circuit from Still Got Legs, 2011 "Nightmares", by Chelsea Grin from Ashes to Ashes, 2014 "Nightmares", by Chvrches from Screen Violence, 2021 "Nightmares", by Clipse from Hell Hath No Fury, 2006 "Nightmares", by Ed Sheeran from No. 5 Collaborations Project, 2011 "Nightmares", by A Flock of Seagulls from Listen, 1983 "Nightmares", by Mac DeMarco from Guitar, 2025 "Nightmares", by NewDad from Madra, 2024 "Nightmares", by For the Fallen Dreams from Relentless, 2009 "The Nightmare Song", a name for the Lord Chancellor's song "Love unrequited robs me of me rest" from Gilbert and Sullivan's Iolanthe, 1882

Television "Nightmares" (Buffy the Vampire Slayer), an episode of Buffy the Vampire Slayer "The Nightmare" (Dynasty), an episode of Dynasty "Nightmare" (1963 The Outer Limits), an episode of the original The Outer Limits series "Nightmare" (1998 The Outer Limits), an episode of the revived The Outer Limits series "Nightmare" (Supernatural), an episode of the television series Supernatural "Nightmare", an episode of The Avengers "Nightmare", an episode of Land of the Giants Nightmare, a fictional monster in the Brazilian telenovela Caminhos do Coração Nightmare, a robot that competed in the series BattleBots "Nightmares", an episode of the television series, Off the Air "Nightmares", an episode of the television series MacGyver

People nicknamed Nightmare Vanes Martirosyan (born 1986), Armenian-born American boxer Diego Sanchez (born 1981), American mixed martial artist Nghtmre or Tyler Marenyi (born 1990), an American DJ and electronic dance music producer KSI (born 1993), a British YouTuber, boxer, and musician

See also Knightmare (disambiguation) Night terror, a sleep disorder Nightmare disorder, a sleep disorder Nightmare flip, a skateboarding trick