Cracker may refer to:
Cracker (food), a type of biscuit, usually salted or savory edible Christmas cracker, traditional British Christmas toy or decoration which gives a loud 'crack' when opened Atlanta Crackers, an American baseball team from Atlanta Georgia Florida cracker, a Florida native Cracker butterflies, a genus of butterfly from the Neotropics Cracker (pejorative), an abusive or slang term for a white person Cracking (chemistry), the process whereby complex organic molecules are broken down into simpler molecules a term for wafer-style Sacramental bread a short length of twisted twine or string attached to the end of a whip to produce a cracking sound a firecracker a device used to open small compressed gas cartridges such as whipped-cream chargers a person who performs safe cracking a Black-hat computer hacker, a person who breaks security; Software cracker, password cracker