C8

C8 or C-8 may refer to:


 * The Diemaco C8, a rifle.
 * The Citroën C8, a brand of minivan made by Citroën.
 * C8, a musical note, the highest on a piano.
 * HMS C8, a C-class submarine of the Royal Navy.
 * USS Raleigh (C-8), a protected cruiser of the United States Navy.
 * C8, an international standard paper size (57×81 mm), defined in ISO 216.
 * C8 is the IATA code for Chicago Express Airlines
 * Castle Infinity, the first graphical massively multiplayer online game.
 * Ammonium perfluorooctanoate or Perfluorooctanoic acid, a chemical used in the production of Teflon®.
 * The C-8 Buffalo, a military transport aircraft.
 * The C8 spinal nerve in human anatomy
 * AEG C.VIII, a German World War I armed reconnaissance aircraft
 * The C8 complex, three proteins involved in the complement system (part of the immune system)

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