PKC may refer to:

  • Paroxysmal kinesogenic choreoathetosis, neurological disorder
  • Protein kinase C, a family of enzymes
  • Public-key cryptography
    • PKC (conference), an acronym for the International Workshop on Practice and Theory in Public Key Cryptography
  • Yelizovo Airport or Petropavlovsk-Kamchatsky Airport, an airport located in Petropavlovsk-Kamchatsky, Kamchatka Krai, Russia, whose IATA code is "PKC"
See also
  • The "C" variant of the PK machine gun, a Soviet weapon