M2

M2, M-2, M.2 or M02 may refer to:

Entertainment

M2 Ball, ammunition
M2 Browning, a heavy machine gun in use since the 1920s
M2 carbine, a select-fire carbine
M2 flamethrower
M2 Hyde, submachine gun
M2 mine, a World War II land mine
M2 mortar, a 60 mm infantry mortar
M2 tripod, a weapon mount
Mauser M2, semi-automatic handgun
M2 Aiming Circle, an optical survey device to measure deflection angles and elevation off a predefined azimuth
M2 compass (Brunton compass), used for mortars and field artillery; uses 6400 mils as opposed to 360 degrees
M2 howitzer, the WW2 designation for the M101 howitzer
M2/M4 Selectable Lightweight Attack Munition (SLAM), a land mine
Anti-Aircraft Target Rocket M2, a World War II training rocket

M2 protein, an ion channel in the cell membrane of the influenza A virus
ATC code M02, Topical products for joint and muscular pain, a subgroup of the Anatomical Therapeutic Chemical Classification System
British NVC community M2, a mire biological community in the United Kingdom
Messier 2, a globular cluster in the constellation Aquarius
Muscarinic acetylcholine receptor M2, a muscarinic receptor for acetylcholine found mainly in the heart
M2 or M₂, the principal lunar semi-diurnal constituent of tides on Earth
M2, a form of high speed steel in the tungsten-molybdenum series
M2 macrophage, a phenotype of macrophage

M2 (economics), a measure of the money supply
M2 (Mazda), a marketing approach by Mazda
M2 (railcar), a Metro-North Railroad railcar
M2 Group, an Australian seller of telecommunications services, power, gas, and insurance products
M-2 visa, a type of United States visa for the dependents of an individual with an M-1 visa
BMW M2, a variant of the BMW 2 Series
Freightliner M2, a cubetruck and chassis variants
Leica M2, a 35 mm rangefinder camera introduced in 1957
Panasonic M2, a video game console design
m² or square metre, a unit of area
M2, one of the ISO metric screw thread sizes