Colon may refer to:

  • Colon (anatomy), the final section of the digestive system
  • Colon (punctuation), the punctuation mark :
  • Colon (rhetoric), a clause which is grammatically, but not logically, complete
  • Colon classification, a library classification system named for the use of the punctuation mark
  • Colon, Michigan, village located within Colon Township
  • Colon, Nebraska, village in Saunders County