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 (TV channel), a Hungarian TV channel
 * M2 (Ukraine), a Ukrainian music television channel
 * M2, a South Korean music television channel
 * M2, the former name for MTV2, an American TV channel
 * M2 (game developer), Japanese game developer

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)
 * Opera Mail, formerly known as M2
 * Modula-2, a computer programming language
 * Macaulay2, a free computer algebra system

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
 * HMS Havelock (M2), a WWI British Royal Navy monitor
 * HMS M2, a 1919 submarine
 * HSWMS M2, a Swedish Navy mine sweeper
 * HSWMS Älvsborg, a Swedish Royal Navy mine layer
 * Miles M.2 Hawk, a 1930s British two-seat light monoplane
 * M2 High Speed Tractor, M2 High Speed Tractor 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
 * 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

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
 * M2 (Lausanne), part of the Lausanne Metro in Switzerland
 * Paris Métro 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)

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 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

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
 * 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 (team), a New Zealand auto racing team