C8

C8, C08, C.VIII or C-8 may refer to:

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 French TV channel
 * C8 (Eastern Europe), TV channel

Other uses

 * Caldwell 8 (NGC 559), an open cluster in Cassiopeia
 * Celestron, 8 in 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