The term warlock comes from the Old English wǣrloga, which meant oath-breaker or traitor. It was used in early Christian England for someone who had betrayed their faith or community, and later became associated with men believed to have made pacts with the devil.

Warlock or The Warlock may also refer to:

Books, comic books and television Characters Adam Warlock, a Marvel Comics fictional cosmic being Maha Yogi, a Marvel Universe character also known as "Warlock" Warlock (Artemis Fowl), a type of fairy in the Artemis Fowl series Warlock (Charmed), male and female characters in the television series Charmed Warlock (New Mutants), an alien character in Marvel Comics associated with the New Mutants The children of Lilith, half demon and half human, in The Mortal Instruments series The Warlock, a supervillain from The New Adventures of Superman Rear Admiral Solomon "Warlock" Bates, a fictional character in the 2022 film Top Gun: Maverick

Novels Warlock (Cartmel novel), a Doctor Who new adventure Warlock (Hall novel), a 1958 western novel by Oakley Hall Häxmästaren or Heksemesteren (The Warlock in English), a series of books by Margit Sandemo Storm Over Warlock, a book by Andre Norton published in 1960

Warlock (Smith novel), a 2001 novel by Wilbur Smith

The Warlock: The Secrets of the Immortal Nicholas Flamel, a 2011 fantasy novel by Michael Scott

Other Warlock (magazine), a magazine for Fighting Fantasy "Warlock" (The Avengers), an episode of the 1960s espionage television series The Avengers

Film Warlock (1959 film), a western film based on the 1958 novel of the same name Warlock (1989 film), a horror film Warlock: The Armageddon (1993), a sequel to the 1989 horror film Warlock III: The End of Innocence (1999), the third installment in the Warlock horror film series

Gaming Warlock (Dungeons & Dragons), a character class in Dungeons & Dragons Warlock (video game), a 1994 video game for Sega Genesis and Super Nintendo Entertainment System Warlock (World of Warcraft), the name of a class in the video game World of Warcraft Warlock: Master of the Arcane, a 2012 turn-based strategy video game Warlock: The Avenger, a computer game for Amiga Warlock, a character class in the Destiny video game franchise Warlock, a card type in Magic the Gathering

Music Peter Warlock (1894–1930), English composer

Groups Warlock (band), a German heavy metal band from Düsseldorf Warlocks (band), a Norwegian hip hop group The Warlocks, a psychedelic rock band The Warlocks, the original name of the American rock band Grateful Dead The Warlocks, the original name of the American rock band the Velvet Underground The Warlocks, the original name of the American rock band American Blues which included two future members of ZZ Top

Other music Warlock (guitar), a guitar model by B.C. Rich guitars "Warlocks" (song), a song from the 2006 album Stadium Arcadum by the Red Hot Chili Peppers

Transportation Warlock, renamed John G. Griffiths in 1908, a GWR 3031 Class locomotive Dodge Warlock, a pickup truck offered by Chrysler Corporation

Visual arts The Warlock, 1875 and 1880 paintings by Carl Spitzweg

Other use Warlock, Texas, an unincorporated community in the United States Warlock (horse), a racehorse

See also Warlocks Motorcycle Club (disambiguation)