C8

C8, C08, C.VIII or C-8 may refer to:
* C-8 Buffalo, a military transport aircraft
* C8 complex, three proteins involved in the complement system (part of the immune system)
* C8 Rifle, an assault rifle used by some NATO forces made by Diemaco
* Celestron 8-inch telescope, a best seller amongst the astronomical Schmidt-Cassegrain telescopes
* C8 spinal nerve in human anatomy
* C8 Unemployment Indemnity (Shipwreck) Convention, 1920
* AEG C.VIII, a World War I German armed reconnaissance aircraft
* AGO C.VIII, a WWI German reconnaissance aircraft
* ATC code C08, a section of the Anatomical Therapeutic Chemical Classification System
* Cierva C.8, a 1926 Spanish experimental autogyro
* Citroën C8, a brand of minivan
* Fokker C.VIII, a 1928 Dutch reconnaissance aircraft
* HMS "C8", a C-class submarine of the Royal Navy
* LSWR C8 class, a
* Saturn C-8, the largest Saturn rocket to be designed
* Sauber C8, a 1985 racing car
* Spyker C8, a sportscar produced by the Dutch car manufacturer Spyker Cars
* USS "Raleigh" (C-8), a protected cruiser of the United States Navy

and also :
* Castle Infinity, the first graphical massively multiplayer online game
* Ammonium perfluorooctanoate or Perfluorooctanoic acid, a chemical used in the production of Teflon
* an international standard paper size (57×81 mm), defined in ISO 216.
* Eighth octave C, a musical note, the highest on a piano
* the IATA code for defunct airline Chicago Express Airlines
* the IATA codeshare designation for the airline brand known as ATA Connection
* C08, Malignant neoplasm of other and unspecified major salivary glands ICD-10 code
* a 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