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

Computing

  • M.2, a specification for internally mounted expansion cards
  • Apple M2, a central processing unit in the Apple M series
  • Socket M2, a CPU socket
  • Memory Stick Micro, a removable flash memory card format
  • Fast Universal Digital Computer M-2, an early Russian digital computer (1957)
  • Modula-2, a computer programming language
  • Macaulay2, a free computer algebra system

Military

Vehicles

  • M2 (missile), a French submarine-launched ballistic missile
  • M2 Bradley, an armored fighting vehicle
  • M2 half-track car
  • M2 light tank
  • M2 medium tank
  • (M2), a WWI British Royal Navy monitor
  • , a 1919 submarine
  • , a Swedish Navy mine sweeper
  • , a Swedish Royal Navy mine layer
  • Miles M.2 Hawk, a 1930s British two-seat light monoplane
  • M2 high-speed tractor, a military aircraft tug

Weapons

  • 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

Transport

Bus routes

  • M2 (New York City bus), a New York City Bus route in Manhattan
  • Route M-2 (MTA Maryland), a bus route in Baltimore, Maryland and its suburbs

Metro lines

  • M2 (Copenhagen), 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
  • Line 2 (Budapest Metro), the second line of Budapest Metro, Hungary
  • M2 (Warsaw), the second line of Warsaw Metro, Poland
  • Line M2 - Milan Subway (Metropolitana di Milano)

Roads

  • List of M2 roads
  • M2 (Brisbane), Australia
  • M2 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
  • M2 (Pretoria), a Metropolitan Route in Pretoria, South Africa
  • M2 (Sydney), Australia
  • M2 motorway (Great Britain)
  • M-2 (Kosovo)

Vehicles

  • M2 (railcar), a Metro-North Railroad railcar
  • BMW M2, a variant of the BMW 2 Series
  • Freightliner M2, a cubetruck and chassis variants
  • Kubicek M-2 Scout, a Czech ultralight aircraft
  • LNER Class M2, a class of British steam locomotives

Science

  • 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 M<sub>2</sub>, a muscarinic receptor for acetylcholine found mainly in the heart
  • M2 or M<sub>2</sub>, 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

Other

  • 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
  • m<sup>2</sup> 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

See also

  • M² (disambiguation)
  • MII (disambiguation)
  • Model 2 (disambiguation)
  • MM (disambiguation)
  • 2M (disambiguation)