M9

M9, M-9 or M09 may refer to:

In aviation :

• Miles M.9 Master, a 1939 British 2-seat monoplane advanced trainer
• Motor Sich Airlines, a Ukrainian airline (IATA airline designator: M9)

In computers:

• M9-IX, a short name for the Moscow Internet Exchange

In firearms and military equipment:

• M9M1, a 9mm/.45ACP submachine gun
• M9 pistol, a 9mm pistol
• M-9, the export name for the Chinese missile DF-15
• Grigorovich M-9, a Russian World War I-era biplane flying boat
• M9 Detector Tape, a method for detecting nerve agent exposure
• M9, a variant of the M2 Half Track Car
• M9 bayonet, a United States military knife
• M9 Armored Combat Earthmover, a United States military earthmover
• M9 Anti-tank Rocket Launcher, another name for the bazooka

In rail transport:

• M9 (railcar), a proposed railcar to be used on the Long Island Rail Road.

In roads:

• M9 motorway (Ireland), a motorway-grade segment of the N9 road in Ireland
• M9 motorway (Pakistan) in Pakistan, also known as Super Highway
• M9 motorway (Russia) is another name for the Baltic Highway in Russia
• M9 motorway (Scotland), a motorway in Scotland
• M-9 (Michigan highway), a former state highway route in Michigan, USA

In science:

• Messier 9 (M9), a globular cluster in the constellation Ophiuchus
• ATC code M09 Other drugs for disorders of the musculo-skeletal system, a subgroup of the Anatomical Therapeutic Chemical Classification System

In other:

• M9 Building (U.S.A.) is the "Mythbusters" headquarters
• Leica M9, a camera
• Meizu M9, a smartphone with android