M2

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

Entertainment

M² (album), a 2001 album by jazz musician Marcus Miller
m² (artist), an ambient project of Mathis Mootz
M2 (game developer), Japanese game developer
M2 (TV channel), a Hungarian TV channel
M2 (Ukraine), a Ukrainian music television channel
M2, branding used by some programming on South Korean music television channel Mnet (TV channel)
M2, the former name for MTV2, an American TV channel
M2 Entertainment (M2E), film production company founded by Australian filmmaker Murali K. Thalluri in 2006

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 4.2-inch mortar, a 107mm infantry mortar
M2 tripod, a weapon mount
Mauser M2, semi-automatic handgun made by Mauser Jagdwaffen GmbH
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 (Copenhagen Metro), a line of the Copenhagen Metro, colored yellow on the map
M2 (Istanbul Metro), a metro line in Turkey
Lausanne Metro Line M2, part of the Lausanne Metro in Switzerland
Paris Metro Line 2, part of the Paris Metro in France
Bucharest Metro Line M2, part of the Bucharest Metro, Romania
Metro Line M2 (Budapest Metro), the second line of Budapest Metro, Hungary
M2 (Warsaw), the second line of Warsaw Metro, Poland
Milan Metro Line 2

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, a measure of laser beam quality

M2 (Mazda), a marketing approach by Mazda
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
MII (videocassette format) (pronounced "M-2"), a professional analogue videocassette format from Panasonic
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
M2 World Championship, the second esports Mobile Legends: Bang Bang World Championship held in 2021
M2, a difficulty grade in mixed climbing
M2 Competition, a New Zealand auto racing team
M2, a monetary aggregate