Jack may refer to:

Places

Jack, Alabama Jack is an unincorporated community in Coffee County, Alabama, United States. Jack is located on Alabama State Route 87, north-northeast of Elba. Jack has a post office A post office is a public facility and a retailer that provides mail ...

, US, an unincorporated community *

Jack, Missouri Jack is an unincorporated community in Dent County, in the U.S. state of Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, ...

, US, an unincorporated community * Jack County, Texas, a county in Texas, USA

People and fictional characters

* Jack (given name), a male given name, including a list of people and fictional characters with the name *

Jack (surname) Jack has been used as a surname, primarily deriving from the Middle English and Older Scottish personal names such as Jak, Jagge and Jakke, in turn derived from pet forms of John, but perhaps in some cases Jack arose in Middle English from the Old ...

, including a list of people with the surname * Jack (Tekken), multiple fictional characters in the fighting game series ''Tekken'' * 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 * New Jack, a stage name of Jerome Young (1963-2021), an American professional wrestler *

Spring-heeled Jack Spring-heeled Jack is an entity in English folklore of the Victorian era. The first claimed sighting of Spring-heeled Jack was in 1837. Later sightings were reported all over the United Kingdom and were especially prevalent in suburban Lon ...

, a creature in Victorian-era English folklore

Animals and plants

Fish

* Carangidae generally, including: **

Almaco jack The longfin yellowtail (''Seriola rivoliana''), also known as the almaco or silvercoat jack, deep-water, falcate, European or highfin amberjack, rock salmon, longfin or yellow kingfish, is a game fish of the family Carangidae; they are in the sam ...

** Amberjack **

Bar jack The bar jack (''Caranx ruber''), also known as the carbonero, red jack, blue-striped cavalla or passing jack, is a common species of inshore marine (ocean), marine fish classified in the jack Family (biology), family, Carangidae. The bar jack is ...

Black jack (fish) ''Caranx lugubris'', the black jack, black trevally, black kingfish, coal fish or black ulua, is a species of large ocean fish in the jack family Carangidae. The species has a circumtropical distribution, found in oceanic, offshore waters of th ...

** Crevalle jack **

Giant trevally The giant trevally (''Caranx ignobilis''), also known as the lowly trevally, barrier trevally, ronin jack, giant kingfish or ''ulua'', is a species of large marine fish classified in the jack family, Carangidae. The giant trevally is distributed ...

or ronin jack **

Jack mackerel Jack mackerels or saurels are marine fish in the genus ''Trachurus'' of the family Carangidae. The name of the genus derives from the Greek words ''trachys'' ("rough") and ''oura'' ("tail"). Some species, such as ''T. murphyi'', are harvested in ...

Leather jack The leatherjacket fish or leather jack, ''Oligoplites saurus'', is a species of jack in the family Carangidae. Leather jack may also refer to other members of the Carangidae, such as the pilot fish. The largest are about a foot long. Distribut ...

** Yellow jack *

Coho salmon The coho salmon (''Oncorhynchus kisutch;'' Karuk: achvuun) is a species of anadromous fish in the salmon family and one of the five Pacific salmon species. Coho salmon are also known as silver salmon or "silvers". The scientific species name i ...

, males called "jacks" *''

Esox ''Esox'' is a genus of freshwater fish commonly known as pike or pickerel. It is the type genus of the family Esocidae. The type species of the genus is ''Esox lucius'', the northern pike. ''Esox'' has been present in Laurentia (which later ...

'' (northern pike), young called "jacks" *"Jackfish" or "jack", a western Canadian name for

northern pike The northern pike (''Esox lucius'') is a species of carnivorous fish of the genus '' Esox'' (the pikes). They are typical of brackish and fresh waters of the Northern Hemisphere (''i.e.'' holarctic in distribution). They are known simply as a ...

Mammals

Jack (baboon) Jack (died 1890) was a chacma baboon who attained some fame for acting as an assistant to a disabled railway signalman in South Africa. History Jack was the pet and assistant of double leg amputee signalman James Wide, who worked for the C ...

, a baboon who was the assistant to a disabled railway signalman in South Africa *

Jack (cat) Jack (c. 2005 – November 6, 2011) was a Norwegian forest cat, owed by Karen Pascoe, who was lost on August 25, 2011 by American Airlines baggage handlers at John F. Kennedy International Airport before Hurricane Irene. A campaign called "Jack ...

, a Norwegian forest cat who was lost by American Airlines baggage handlers * Jack or jackass, a male

donkey The domestic donkey is a hoofed mammal in the family Equidae, the same family as the horse. It derives from the African wild ass, ''Equus africanus'', and may be classified either as a subspecies thereof, ''Equus africanus asinus'', or as a ...

(''Equus africanus'')

Plants

Jack (tree) ''Mangifera caesia'' is a species of flowering plant in the cashew family, Anacardiaceae. Known in English as jack or white mango, among other names. It belongs to the same genus as the mango and is widely cultivated in areas of Indonesia, Malay ...

(''Mangifera caesia''), a relative of the mango *

Jack pine Jack pine (''Pinus banksiana'') is an eastern North American pine. Its native range in Canada is east of the Rocky Mountains from the Mackenzie River in the Northwest Territories to Cape Breton Island in Nova Scotia, and the north-central and ...

(''Pinus banksiana''), a North American conifer

Arts, entertainment, and media

Films

* ''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

Games

* Jack (playing card), the lowest-ranking face card in some types of deck * Jack, a target ball used in games such as

bowls Bowls, also known as lawn bowls or lawn bowling, is a sport in which the objective is to roll biased balls so that they stop close to a smaller ball called a "jack" or "kitty". It is played on a bowling green, which may be flat (for "flat-gre ...

* Jack, a playing piece used in the children's game called jacks

Literature

* ''Jack'' (Homes novel), a 1990 novel by A. M. Homes * ''Jack'' (Lundell novel), a 1976 novel by Ulf Lundell * ''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) Jack were a British alternative rock band formed in Cardiff, Wales, in 1992. Their orchestral pop was influenced by artists such as Scott Walker, David Bowie and Roxy Music,Roberts, Chris. "A Church On Fire Is Gorgeous...". ''Uncut''. Octobe ...

, a British independent pop group signed to the Too Pure label * Jack & Jack, an American an American pop-rap duo *

Jack (Vietnamese singer) Trịnh Trần Phương Tuấn (born April 12, 1997), better known by his stage name Jack (or J97),

(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 Bone Orchard were a post-punk/gothic rock band from Brighton, England, active between around 1983 and 1986. History The band was formed in 1983 by Chrissie McGee (vocals), Mark Horse (guitar), Troy Tyro (guitar), Paul Henrickson (bass), and Mick ...

* ''

J.A.C.K. ''J.A.C.K.'' is the third studio album by American pop punk band Forever the Sickest Kids. It is their first release through Fearless Records since their former label, Universal Motown Records, Universal Motown, was shut down, which resulted in t ...

'', 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

* "Jack" (2001), a song by Iced Earth from their album ''Horror Show'' (2001) * "Jack" (1983), a song and single by

Machinations (band) Machinations are an Australian synthpop band which formed in 1980. They reached the top 20 on the Kent Music Report albums chart with ''Big Music (Machinations album), Big Music'' in 1985. Their top 30 hits on the related singles char ...

* "Jack" (1983), a song and single by

Mighty Gabby Anthony Carter (born 30 March 1948), better known as Mighty Gabby or simply Gabby, is a Barbadian calypsonian and folk singer, and a Cultural Ambassador for the island of Barbados. Career Born in Emmerton, Carter was given the nickname "Gabby ...

* "Jack", song by Pixie Lott from the '' Turn It Up'' (2009) album * "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 Jack TV (stylised as JACK TV) is an online web portal owned by Solar Entertainment Corporation and based in Mandaluyong, Metro Manila. It was known as a Philippine pay television network mainly offering multi-genre programming from the United ...

, a general entertainment channel in the Philippines (cable)

Other uses in arts, entertainment, and media

Jack (hero) __NOTOC__ Jack is an English hero and archetypal stock character appearing in multiple legends, fairy tales, and nursery rhymes. Examples of Jack tales Some of the most famous Jack Tales are "Jack and the Beanstalk", "Jack Frost", "Jack the Gia ...

, an archetypal Cornish and English hero and stock character * Jack FM, a radio format and brand

Military

Jack (flag) A jack is a flag flown from a short jackstaff at the bow (front) of a vessel, while the ensign is flown on the stern (rear). Jacks on bowsprits or foremasts appeared in the 17th century. A country may have different jacks for different purp ...

, a national maritime flag flown by warships, e.g., **

Union Jack The Union Jack, or Union Flag, is the ''de facto'' national flag of the United Kingdom. Although no law has been passed making the Union Flag the official national flag of the United Kingdom, it has effectively become such through precedent. ...

* Jack, the Allied code-name of the Japanese Mitsubishi J2M fighter of World War II

Technology

Computing and software

Jack (CAD software) The Jack human simulation system was developed at the Center for Human Modeling and Simulation at the University of Pennsylvania in the 1980s & 1990s under the direction of Professor Norman Badler. Conceived as an ergonomic assessment and virtual h ...

, a 3-D ergonomics and human factors CAD package *

Jack (human modeling) The Jack human simulation system was developed at the Center for Human Modeling and Simulation at the University of Pennsylvania in the 1980s & 1990s under the direction of Professor Norman Badler. Conceived as an ergonomic assessment and virtual h ...

, a human modeling and simulation system * JACK Audio Connection Kit, a computer sound server *

JACK Intelligent Agents JACK Intelligent Agents is a framework in Java for multi-agent system development. JACK Intelligent Agents was built by Agent Oriented Software Pty. Ltd. (AOS) and is a third generation agent platform building on the experiences of the Procedural ...

, a multi-agent platform written in Java

Electrical interfaces

Electrical connector Components of an electrical circuit are electrically connected if an electric current can run between them through an electrical conductor. An electrical connector is an electromechanical device used to create an electrical connection between ...

, or "wall jack", a socket (often panel-mounted) intended to accept a plug *

Phone connector (audio) A phone connector, also known as phone jack, audio jack, headphone jack or jack plug, is a family of electrical connectors typically used for analog signal, analog audio signals. A plug, the Gender of connectors and fasteners, male connect ...

, commonly known as "audio jack", or "jack plug", or "phone jack" *

Registered jack A registered jack (RJ) is a standardized telecommunication network interface for connecting voice and data equipment to a service provided by a local exchange carrier or long distance carrier. Registration interfaces were first defined in the ...

, 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 A forklift (also called lift truck, jitney, hi-lo, fork truck, fork hoist, and forklift truck) is a powered industrial truck used to lift and move materials over short distances. The forklift was developed in the early 20th century by various c ...

Strand jack A strand jack (also known as strandjack) is a jack used to lift very heavy (e.g. thousands of tons or more with multiple jacks) loads for construction and engineering purposes. Strandjacking was invented by VSL Australia's Patrick Kilkeary & Bru ...

, used in construction and engineering, and is capable of lifting hundreds of tonnes *

Boot jack A boot jack, sometimes known as a boot pull, is a small tool that aids in the removal of boots. It consists of a U-shaped mouth that grips the heel of the boot, and a flat area to which weight can be applied with the opposite foot. To operate i ...

, a device for removing boots *

Jack plane A jack plane is a general-purpose woodworking bench plane, used for dressing timber down to size in preparation for truing and/or edge jointing. It is usually the first plane used on rough stock, but for rougher work it can be preceded by the sc ...

, a tool for smoothing wood *

Roasting jack A roasting jack is a machine which rotates meat roasting on a spit. It can also be called a spit jack, a spit engine or a turnspit, although this name can also refer to a human turning the spit, or a turnspit dog. Cooking meat on a spit dates ...

, a device for turning a spit

Other uses

Jack (mascot) Jack Box (full name Jack I. Box or simply known as Jack) is the primary mascot of the Jack in the Box fast food restaurant chain. In television commercials, he is the founder, CEO and ad spokesman for the chain. His appearance is that of a typica ...

, the mascot of Jack in the Box restaurants * Cracker Jack and Cracker Jack'D, snack foods *

Jack Daniel's Jack Daniel's is a brand of Tennessee whiskey. It is produced in Lynchburg, Tennessee, by the Jack Daniel Distillery, which has been owned by the Brown–Forman Corporation since 1956. Packaged in square bottles, Jack Daniel's "Black Label" T ...

, a Tennessee whiskey distillery, whose product is sometimes referred to as "Jack" * Jack of plate or jack, a type of armor *

Jack's (store) Jack's was a British Discount store, discount supermarket Chain store, chain based in Welwyn Garden City, Hertfordshire, owned by Tesco. History Jack's was founded in 2018 by Tesco as a discount chain to rival stores such as Lidl and Aldi. I ...

, a British Discount supermarket chain * Monterey Jack, a variety of cheese *

Sailor A sailor, seaman, mariner, or seafarer is a person who works aboard a watercraft as part of its crew, and may work in any one of a number of different fields that are related to the operation and maintenance of a ship. The profession of the s ...

, "jack" in obsolete usage *

Sailor Jack Cracker Jack is an American brand of snack food that consists of molasses-flavored, caramel-coated popcorn, and peanuts, well known for being packaged with a prize of trivial value inside. The Cracker Jack name and slogan, "The More You Eat The ...

, he and his dog Bingo are the mascots for Cracker Jack snack food *

Yukon Jack (liqueur) Yukon Jack is a Canadian honey based liqueur, made from Canadian Whisky and honey, advertised as “The Black Sheep of Canadian Liquors”. The alcoholic beverage is named after the pioneer Leroy Napoleon 'Jack' McQuesten.Munsey, C. (2004, Summer). ...

, a Canadian whisky with honey *

Jack Tar Jack Tar (also Jacktar, Jack-tar or Tar) is a common English language, English term originally used to refer to Sailor, seamen of the British Merchant Navy, Merchant or Royal Navy, particularly during the period of the British Empire. By World War ...

, term for a sailor