NKC

NKC is a three letter abbreviation that may refer to:


 * IATA airport code for Nouakchott–Oumtounsy International Airport
 * National Kennel Club, all-breed dog registry in the United States
 * Nat King Cole, American jazz singer/musician
 * NDR-Klein-Computer, a German computer
 * Northwest Kidney Centers, outpatient hemodialysis treatment center
 * Natural killer cell, cell involved in the innate immune system
 * National Knowledge Commission, Indian Commission set up by Manmohan Singh