Digest can refer to any of the following:

• Digestion of food
• Digest access authentication in HTTP
• Hash algorithm, sometimes called "message digest"
• A style or format of distribution of electronic mailing lists in which multiple messages are placed together and distributed as a single unit
• Pandects, a digest of Roman law
• In biology, a restriction digest cleaves DNA using restriction endonucleases
• Any of several periodical publications with "Digest" in the title:
  • Children's Digest
  • Consumers Digest
  • Football Digest
  • Golf Digest
  • Reader's Digest
  • Writer's Digest
• Digest size magazine format, used by some magazines (though not always consistently used by magazines with "Digest" in their names)