M63

M63 or M-63 may refer to:


 * M63 mine, a French anti-personnel mine
 * M63 motorway, a former designation for a road in Greater Manchester
 * M-63 Plamen a multiple rocket launcher
 * M-63 (Michigan highway), a state highway in Michigan
 * Messier 63, a spiral galaxy in the constellation Canes Venatici
 * Stoner M63, an assault rifle/light machine gun
 * A model of Mercedes AMG
 * A developed version of the M62 (later designated as Shvetsov ASh-62) aero-engine