Jack may refer to:

Places Jack, Alabama, US, an unincorporated community Jack, Kansas, US, a ghost town in Kansas 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

Carangidae generally, including: Almaco jack Amberjack Bar jack Black jack (fish) 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), 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), starring Robin Williams Jack (2004 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), 1876, by Alphonse Daudet Jack (Lundell novel), 1976, by Ulf Lundell Jack (Homes novel), 1990, by A. M. Homes Jack (Robinson novel), 2020, 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), 1991, 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), 2013, 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), 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", by Pixie Lott from the Turn It Up (2009) album "Jack" (2023), by Hardy from The Mockingbird & the Crow "The Jack", 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), 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

Hijacking (disambiguation) Jacks (disambiguation) Jacking (disambiguation)