C6, C06, C VI or C-6 may refer to: Vehicles Road Chevrolet Corvette C6, a 2005 sports car Cierva C.6, a 1924 Spanish autogyro Citroën C6, a 2005 executive car Sauber SHS C6, a 1982 Group C prototype racing car Air AEG C.VI, a German World War I reconnaissance aircraft DFW C.VI, a 1916 German reconnaissance aircraft LVG C.VI, a 1917 German twin-seat reconnaissance aircraft C-6 Ute, a military version of the Beechcraft King Air airplane Rail Bavarian C VI, an 1899 German steam locomotive model LNER Class C6, a class of British 3-cylinder compound locomotives Water C-6, United States Army designation of the Sikorsky S-38 amphibious flying boat HMS C6, a 1906 British Royal Navy submarine USS Olympia (C-6), a 1892 United States Navy protected cruiser Anatomy and medicine Complement component 6 (C6 protein) in the complement cascade system of immune proteins (native immunity) Cervical vertebra 6, one of the cervical vertebrae of the vertebral column Cervical spinal nerve 6 (C6), a spinal nerve of the cervical segment Other uses C6 (explosive), a form of plastic explosive C-6 Canal, a canal that flows from Lake Okeechobee in Florida to its terminus at the Miami River C6 connector, an electrical power connector Circumferential Road 6 or C-6, an arterial road of Manila, Philippines Benzotriyne, a hypothetical chemical compound with molecular formula C6 CanJet (IATA code C6), former air carrier Soprano C, a musical note designated C6 C6 GPMG, Canadian designation of the FN MAG machine gun C6 tuning, a common tuning of a steel guitar (the musical chord of C6) See also CSIX (disambiguation) CVI (disambiguation) Nokia C6 (disambiguation), a series of Nokia smartphones Oral cancer, ICD-10 codes C00-C08 Paper size § C series