C6

C6 may refer to:


 * AEG C.VI, a German World War I reconnaissance aircraft
 * Citroën C6, an executive car
 * Chevrolet C6, a Chevrolet Corvette sports car
 * Ford C6 transmission, an automatic transmission
 * HMS C6, a Royal Navy submarine
 * USS Olympia (C-6), a United States Navy protected cruiser
 * CanJet (IATA code C6)
 * Cybersex, in internet slang
 * C-6 (explosive) a type of military explosive which is approximately 1.4 as powerful as C-4
 * FN MAG machine gun (Canadian designation)
 * Soprano C
 * WinChip C6, a x86 computer chip
 * C6 Envelope size
 * C-6 Ute, a military version of the Beechcraft King Air airplane
 * C-6, United States Army designation of the Sikorsky S-38 amphibous flying boat
 * Sixth cervical vertebra of the vertebral column or C6 spinal nerve, in human anatomy

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