Hack may refer to:

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

• Hack (album), a 1990 album by Information Society

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

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

• 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

• 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

• Hack, a piece of equipment used for traction in the sport of curling
• Hack, a goal in a game of hacky sack, or the footbag circle kicking game
• Hack squat, a variant of the squat exercise

• Hack, a motorcycle with a sidecar attached
• Hack, an illegal taxicab operation
• Hackney carriage, a London cab also known as a hack

• 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

• Hacker (disambiguation)
• Hacking (disambiguation)
• Hacks (disambiguation)
• All pages with titles containing Hack