C8, C08, C.VIII or C-8 may refer to:
Transportation
Aviation AEG C.VIII, a World War I German armed reconnaissance aircraft AGO C.VIII, a World War I German reconnaissance aircraft Cierva C.8, a 1926 Spanish experimental autogyro De Havilland Canada C-8 Buffalo, a military transport aircraft of the 1960s Fairchild C-8, a military transport aircraft of the 1930s Fokker C.VIII, a 1928 Dutch reconnaissance aircraft
Chicago Express Airlines (defunct) IATA code
Automotive Citroën C8, a brand of minivan Sauber C8, a 1985 racing car Spyker C8, a sportscar produced by car manufacturer Spyker Cars Eighth generation Chevrolet Corvette (C8)
Nautical HMS C8, a 1907 C-class submarine of the Royal Navy USS Raleigh (C-8), an 1892 protected cruiser of the United States Navy
Rail LSWR C8 class, a London and South Western Railway locomotive class C-8 (Cercanías Madrid) LNER Class C8, a class of 2 4-cylinder compound locomotives
Spaceflight Saturn C-8, the largest Saturn rocket to be designed
Biology, medicine and chemistry Code C08 Calcium channel blockers, in ATC (Anatomical Therapeutic Chemical Classification System) C08, Malignant neoplasm of other and unspecified major salivary glands ICD-10 code C8 complex, three proteins involved in the complement system (part of the immune system) Cervical spinal nerve 8 in human anatomy Carbon-8 (C-8 or 8C), an isotope of carbon An octyl-type hydrocarbon with eight carbon atoms like in a C8 bonded silica stationary phase column, a type of column used in reversed-phase chromatography Perfluorooctanoic acid (PFOA, known colloquially as C8), a ubiquitous chemical used in the production of PTFE
Arts and entertainment Eighth octave C, a musical note, the highest on a piano Castle Infinity, the first graphical massively multiplayer online game C8 (French TV channel), a defunct French TV channel C8 (Eastern Europe), TV channel
Other uses Caldwell 8 (NGC 559), an open cluster in Cassiopeia Celestron, a Schmidt-Cassegrain telescope C8 carbine, an assault rifle used by Canada and other NATO forces made by Diemaco/Colt Canada C8 Unemployment Indemnity (Shipwreck) Convention, 1920 Elbrus-8C, a Russian 28 Nanometre 8 core microprocessor An international standard paper size (57×81 mm), defined in ISO 216
See also 8C (disambiguation)