hacker

Computing and technology
• Hacker (computer security), someone involved in computer security/insecurity[1]
• Hacker (programmer subculture), a programmer subculture originating in the US academia in the 1960s, which is nowadays mainly notable for the free software/open source movement
• Hacker (hobbyist), an enthusiastic home computer hobbyist


See Hacker (computing) for an overview of different kinds of computer hackers and the relationships between these groups.
Similar meanings in other fields are:
• Mathematics hacker, a type of reality hacker (or hacker of numbers beyond reals), but focused on math--quite likely also in a computer science (or other) context
• Media hacker, someone who uses the media in new ways
• Reality hacker, similar to a computer hacker, but hacks the "real world"
• Wetware hacker, one who experiments with biological materials
Entertainment
• Hackers: Heroes of the Computer Revolution, a 1984 book by Steven Levy.
• Hacker (computer game), a 1985 computer game by Activision
• Hacker (card game), a 1992 publication of Steve Jackson Games
• Hackers (film), a 1995 film
People named Hacker
Real
• Alan Ray Hacker (b. 1938), English clarinetist
• Benjamin Thurman Hacker (1935-2003), U.S. Naval officer
• George Hacker (20th century), U.S. lawyer, head of the Alcohol Policies Project
• Marilyn Hacker (b. 1942), American poet, critic, and reviewer
• Peter Hacker (b. 1939), British philosopher
• Sally Hacker (1936–1988), feminist sociologist
• The Hacker (Michel Amato, b. 1972), French electroclash and techno producer
Fictional
• J. Random Hacker, the mythical/archetypal hacker nerd
• Hacker, a character of the TV series Cyberchase (see List of Cyberchase characters#Hacker)
• Sgt. Charley Hacker, a character on the TV series Gomer Pyle, U.S.M.C. (see List of The Gomer Pyle, U.S.M.C. Characters#Staff Sergeant Hacker)
• Hacker, the cyborg sidekick character in The Centurions (TV series)
• Jim Hacker, the principal character in Yes Minister
Other definitions

New York street sign, c. 1963
• Hacker (folklore), a mythological race in Scandinavian folklore
• A mediocre golfer[2]
• Someone who practices casual equestrianism, in particular trail riding
• A person skilled in the creation of a hack (masonry)[3]
• A musician who plays out of turn or shows off constantly
• A player of NetHack, and other rogue-like games
• A taxicab driver (from the shortened form of hackney carriage).
• A brewery which merged with Pschorr in 1972, now the Hacker-Pschorr Brewery, and the beer it produces.
• A basketball player who has limited defensive ability and is prone to fouling.