Cring or CRing may refer to:

• Commutative ring, a concept in mathematics abbreviated as CRing
  • In particular, a notation for the category of commutative rings
• Crîng park, Buzău, Romania
• Jon Russell Cring, an American director
• An item in the online children's game Cartoon Orbit
• A misspelling of cringe

C ring may refer to:

• C Ring, of Saturn
• Carbon ring, in chemistry
• Cock ring