• Cracker (food), a type of biscuit, usually salted or savoury

• Cracker (pejorative), a slang, sometimes abusive term for any person of white European descent
  • Florida cracker, a Florida native descended from early pioneer settlers
  • Georgia cracker, a Georgia native descended from early pioneer settlers
• Safe cracker, a person that breaks open a safe

• Cat cracker, equipment for breaking down complex organic molecules
• Christmas cracker, a traditional British Christmas toy or decoration
• Cracker, a length of twine or string at the end of a whip that produces the cracking sound
• Firecracker, a small explosive device primarily designed to produce a loud noise

• Cracker, or security hacker, a person who maliciously exploits weaknesses in a computer or network
• Cracker, a person who uses password cracking to recover passwords
• Cracker, a person who uses software cracking to modify a program

Music

• The Crackers, a 1968 pseudonym of the band The Merseybeats
• Sonic Crackers, an April 1994 prototype version of what would become Knuckles' Chaotix
• Crackers (Foster's Home for Imaginary Friends)
• Crackers International, an EP released by Erasure in 1988, in between the albums The Innocents and Wild!
• Cracker (band), an American rock band
  • Cracker (album), their first album
• Crackers: The Christmas Party Album, an album by the British glam rock band Slade
• Crackers (song), a 1980 song by Barbara Mandrell

Fictional entities

• Crackers (Captain Underpants), comic book character
• Cracker (comic), a British children's comic

Films

• Crackers (1984 film), an American film starring Sean Penn
• Crackers (1998 film), an Australian film
• Crackers (2011 film), a Bollywood film

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