M9, M-9 most often refers to:

• Beretta M9, a 9 mm pistol

M9, M-9 or M09 may refer to:

Aviation

• Grigorovich M-9, a Russian World War I-era biplane flying boat
• Miles M.9 Master, a 1939 British 2-seat monoplane advanced trainer
• Motor Sich Airlines, a Ukrainian airline (IATA airline designator: M9)

Computers

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

Firearms and military equipment

• Beretta M9, the standard-issue service pistol for the US Army and other forces
• M9M1, a 9mm/.45ACP submachine gun
• M-9, the export name for the Chinese missile DF-15
• M9 half-track, a variant of the M2 Half Track
• 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
• M9 flamethrower, flamethrower, United States
• M9 Gun Director, director used with 90mm anti-aircraft guns
• T40/M9 Tank Destroyer American tank destroyer

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
• M9 medium, a salt medium for cultivating Escherichia coli

Transport

• M9 (New York City bus), a New York City Bus route in Manhattan
• M9, a Washington, D.C. Metrobus route
• Sri Lanka Railways M9, Sri Lanka Railways diesel-electric locomotive
• M9 (railcar), a Long Island Rail Road car
• M9 (Istanbul Metro), a rapid transit rail line in Istanbul, Turkey
• M9 (East London), a Metropolitan Route in East London, South Africa
• M9 (Cape Town), a Metropolitan Route in Cape Town, South Africa
• M9 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
• M9 (Pretoria), a Metropolitan Route in Pretoria, South Africa
• M9 (Durban), a Metropolitan Route in Durban, South Africa
• M9 (Port Elizabeth), a Metropolitan Route in Port Elizabeth, South Africa
• M9 motorway (Ireland), a motorway-grade segment of the N9 road in Ireland
• M9 motorway (Pakistan) in Pakistan, also known as Super Highway
• M9 highway (Russia), another name for the Baltic Highway in Russia
• M9 motorway (Scotland), a motorway in Scotland
• Highway M09 (Ukraine)
• M-9 (Michigan highway), a former state highway route in Michigan, USA
• M9 Road (Zambia), a road in Zambia

Other

• Leica M9, a camera
• Meizu M9, a smartphone with Android
• HTC One M9, a smartphone with Android
• "M9", a song by British band Boards of Canada, released on their Boc Maxima demo in 1996
• "M9", a fictional British secret intelligence agency in the television spy show Danger Man
• M9, a difficulty grade in mixed climbing

Topics referred to by the same term

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