{{pp|small=yes}} {{wiktionary|Jack|jack}} '''Jack''' may refer to: {{TOC right}} ==Places== * Jack, Alabama, US, an unincorporated community * Jack, Missouri, US, an unincorporated community * Jack County, Texas, a county in Texas
==People and fictional characters== * Jack (given name), a male given name, including a list of people and fictional characters with the name * Jack (surname), including a list of people with the surname * Jack the Ripper, an unidentified British serial killer active in 1888 * Wolfman Jack (1938–1995), a stage name of American disk jockey Robert Weston Smith * Spring-heeled Jack, a creature in Victorian-era English folklore * Jack (hero), an archetypal Cornish and English hero and stock character
==Animals and plants==
===Fish=== {{Redirect|Jackfish|the ghost town|Jackfish, Ontario|the baseball team|Welland Jackfish}} *Carangidae generally, including: **Almaco jack **Amberjack **Bar jack **Black jack **Crevalle jack **Giant trevally or ronin jack **Jack mackerel **Leather jack **Yellow jack *Coho salmon, males called "jacks" *''Esox'' (northern pike), young called "jacks" *"Jackfish" or "jack", a western Canadian name for northern pike
===Mammals=== * Jack (baboon), a baboon who was the assistant to a disabled railway signalman in South Africa * Jack (cat), a Norwegian forest cat who was lost by American Airlines baggage handlers * Jack or jackass, a male donkey (''Equus africanus'')
=== Plants === * Jack (tree) (''Mangifera caesia''), a relative of the mango * Jack pine (''Pinus banksiana''), a North American conifer * Jackfruit (''Artocarpus heterophyllus'')
==Arts, entertainment, and media== ===Films=== * ''Jack'' (1925 film), a French silent film directed by Robert Saidreau * ''Jack'' (1996 film), a film starring Robin Williams * ''Jack'' (2004 film), a film starring Anton Yelchin and Stockard Channing * ''Jack'' (2013 film), a television film starring Rick Roberts and Sook-Yin Lee * ''Jack'' (2014 film), a German film * ''Jack'' (2015 film), an Austrian film * ''Jack'' (2025 film), an Indian film
===Games === * Jack (playing card), the lowest-ranking face card in some types of deck * Jack, a target ball used in games such as bowls * Jack, a playing piece used in the children's game called jacks
===Literature=== * ''Jack'' (Daudet novel), an 1876 novel by Alphonse Daudet * ''Jack'' (Lundell novel), a 1976 novel by Ulf Lundell * ''Jack'' (Homes novel), a 1990 novel by A. M. Homes * ''Jack'' (Robinson novel), a 2020 novel by Marilynne Robinson
===Periodicals=== * ''Jack'' (Italian magazine), an Italian-language technology magazine * ''Jack'' (magazine), an English-language British lad mag
===Music=== ====Artists and groups==== * Jack (band), a British independent pop group signed to the Too Pure label * Jack & Jack, an American pop-rap duo * Jack (singer) (born 1997), a Vietnamese pop star
====Albums==== * ''Jack'' (album), a 2010 studio album by John Farnham * ''Jack'' (EP), a 1991 EP by Moose * ''Jack'', a 1984 album by Bone Orchard * ''J.A.C.K.'', a 2013 studio album by Forever the Sickest Kids
====Songs==== * "Jack" (song), a 2013 song by Breach * "Jack" (1980), a B-side song to "Tell The Children" by Sham 69 on the album ''Kings & Queens'' * "Jack" (1984), a song and single by Bone Orchard * "Jack" (2001), a song by Iced Earth from their album ''Horror Show'' (2001) * "Jack" (1983), a song and single by Machinations * "Jack" (1983), a song and single by Mighty Gabby * "Jack", song by Pixie Lott from the ''Turn It Up'' (2009) album * "Jack" (2023), a song by Hardy from ''The Mockingbird & the Crow'' * "The Jack", a song by AC/DC originally on the album ''T.N.T.'' (1975)
===Television=== * ''Jack'' (TV series), a 3D-animated series broadcast by TVOntario * Jack TV, a general entertainment channel in the Philippines (cable)
===Other uses in arts, entertainment, and media=== * Jack FM, a radio format and brand
==Military== * Jack (flag), a national maritime flag flown by warships, e.g., **Union Jack * Jack, the Allied code-name of the Japanese Mitsubishi J2M fighter of World War II
==Technology== ===Computing and software=== * Jack (CAD software), a 3-D ergonomics and human factors CAD package * Jack (human modeling), a human modeling and simulation system * JACK Audio Connection Kit, a computer sound server * JACK Intelligent Agents, a multi-agent platform written in Java
===Electrical interfaces=== * Electrical connector, or "wall jack", a socket (often panel-mounted) intended to accept a plug * Phone connector (audio), commonly known as "audio jack", or "jack plug", or "phone jack" * Registered jack, a standardized telecommunication network interface for connecting voice and data equipment
===Mechanical tools=== * Jack (device), a device used to lift heavy objects **Jackscrew, a device used to support heavy objects at various heights **Pallet jack, a device with two forks used to lift and move pallets; the powered version is known as a forklift **Strand jack, used in construction and engineering, commonly capable of lifting up to hundreds of tonnes * Boot jack, a device for removing boots * Jack plane, a tool for smoothing wood * Roasting jack, a device for turning a spit
==Other uses== * Jack Box, the mascot of Jack in the Box restaurants * Cracker Jack and Cracker Jack'D, snack foods with the fictional Sailor Jack as a mascot * Jack Daniel's, a Tennessee whiskey distillery, whose product is sometimes referred to as "Jack" * Jack of plate or jack, a type of armor * Jack's (store), a defunct British discount supermarket chain owned by Tesco * Monterey Jack, a variety of cheese * Quarter-jack or jack, an animated figure which strikes the bell of a clock * Yukon Jack (liqueur), a Canadian whisky with honey * Jack Tar or "jack", a term for a sailor
==See also== * {{lookfrom}} * {{in title}} * Hijacking * Jacking, a dance technique and music form that first became popular in the late 1980s * Jacks (disambiguation)
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