Hack may refer to:

Arts, entertainment, and media

Games

* Hack (Unix video game), ''Hack'' (Unix video game), a 1984 roguelike video game * .hack (video game series), ''.hack'' (video game series), a series of video games by the multimedia franchise ''.hack''

Music

* Hack (album), ''Hack'' (album), a 1990 album by Information Society

Film

* ''Hack!'', a 2007 film starring Danica McKellar * Hacked (film), ''Hacked'' (film), a 2011 Bollywood thriller film * The Den (2013 film), ''The Den'' (2013 film), a 2013 American film also known as ''Hacked''

Other uses in arts, entertainment, and media

* Hack (comedy), a joke that is considered obvious, frequently used, or stolen * Hack (comics), a Marvel Comics Universe mutant character * Hack (radio program), ''Hack'' (radio program), an Australian current affairs program * Hack (TV series), ''Hack'' (TV series), an American television series * .hack, a Japanese multimedia franchise * Lifehacker, a weblog about life hacks and software

Computing

* Hack (computer science), an inelegant but effective solution to a computing problem * Hack (computer security), to gain unauthorized access to computers and computer networks * Hack (programming language), a programming language developed by Meta * HACK (tag), a tag in a programming language comment warning about a workaround * Hack computer, a virtual computer described in the textbook ''The Elements of Computing Systems'' * Hack (typeface), an open source typeface designed for source code editing * Domain hack, a domain name that suggests a word, phrase, or name

Animals

* Hack (falconry), training method for young falcons * Hack (horse), an animal used for pleasure riding, as well as the verb form (hacking, to hack) for the activity

Sports

* Hack, a piece of equipment used for traction in the sport of curling#Curling sheet, curling * Hack, a goal in a game of hacky sack, or the footbag#Circle kicking, footbag circle kicking game * Hack squat, a variant of the squat (exercise)#Variants, squat exercise

Transport

* Hack, a motorcycle with a sidecar attached * Hack, an illegal taxicab operation * Hackney carriage, a London cab also known as a hack * Station hack or squadron hack, a utility aircraft assigned to an air station or squadron

Other uses

* Hack (masonry), a row of stacked unfired bricks protected from the rain * Hack (name), a surname, given name and nickname * Hack Circle, an amphitheatre in Christchurch, New Zealand, also known as Hack * Hack writer or hack, a writer or journalist who produces low-quality articles or books * Eduard Hackel (standard author abbreviation: Hack.) (1850–1926), Austrian botanist * Life hack, productivity techniques used by programmers to solve everyday problems * MIT hack, a clever, benign, and ethical prank or practical joke at the Massachusetts Institute of Technology * Political hack, a person who devotes him/herself to party-political machinations * Backslash, also known as hack