Crunch may refer to:

• Nestlé Crunch, a brand of candy and ice cream produced by Nestle
• An onomatopoeic description of a common distorted guitar sound
• An intelligent dance music project that includes Dave Tipper and Mike Wallis
• Crunch (exercise), a strength training exercise for the abdominal muscles
• The mascot for the Minnesota Timberwolves basketball team
• Crunch Bandicoot, a fictional character
• CRUNCH (graffiti artist), a New York City subway graffiti artist
• CRUNCH (programming block), a collection of television programs, aired on YTV during Saturday mornings
• John Draper, a Vietnam War veteran who become one of the world's first hackers in early 1971
• Crunch, a stone man in The Cowardly Lion of Oz by Ruth Plumly Thompson
• Crunch Creative Design Ltd, an English design company based in Plymouth
• Le Crunch, the name of the rugby test match between England and France
• Crunch time In video game programming - extended periods of (usually unpaid) consecutive overtime