M1 may refer to:

• BMW M1, a supercar
• British NVC community M1, Sphagnum auriculatum bog pool community
• HMS M1, an early submarine
• Korg M1, a keyboard synthesizer
• The Crab Nebula, also known as Messier object M1
• MobileOne, a telecommunications company in Singapore
• money supply, which in economics is refered to as M1
• The primary motor cortex of mammals in neurology

M1 is also the name given to several roads: The BMW M1 is a supercar automobile, and was the first and only mid-engined BMW. It employed a twin-cam M88/1 3. ... NVC community M1 (Sphagnum auriculatum bog pool community) is one of the mire communities in the British National Vegetation Classification system. ... His Majestys Submarine M1 was a submarine of the British Royal Navy, one of four vessels of the M class ordered towards the end of World War I. She sank with the loss of her entire crew in 1925. ... The Korg M1 The Korg M1 was the worlds first widely-known music workstation and is the best-selling digital keyboard of all time, surpassing even the Yamaha DX7. ... The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant in the constellation of Taurus. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The examples and perspective in this article or section may not represent a worldwide view. ... The primary motor area is a group of networked cells in mammalian brains that controls movements of specific body parts associated with cell groups in that area of the brain. ...

• M1 (Australia), sections of the A1 Highway
• M1 (Johannesburg) a highway in South Africa
• M-1 (Michigan highway) in the United States
• M1 motorway (England)
• M1 motorway (Hungary)
• M1 motorway (Northern Ireland)
• M1 motorway (Republic of Ireland)
• Metroad 1, a road route in Sydney, Australia
• Princes Freeway M1 in Victoria, Australia

M1 in the area of rail transport may refer to: The M1 is designated stretches of National Highway 1 (A1) that are of Dual-carriageway or Motorway Standard. ... The M1 during rush hour as it passes through Sandton. ... M-1, more commonly known as Woodward Avenue, is a north-south state highway in Michigan. ... The M1 motorway heading south towards junction 37 at Barnsley. ... Schematic path of Motorway M1 The M1 motorway connects Budapest, the capital city of Hungary with the north-western regions of the country, and to Austria. ... The M1 motorway in Northern Ireland runs for 61 kilometres (38 miles) from Belfast to Dungannon, bypassing Lisburn, Lurgan, Craigavon and Portadown on the way. ... The Boyne River Bridge, one of the main engineering features of the M1 in Ireland, crosses the River Boyne west of Drogheda. ... Metroad 1 or M1 is one of Sydney, Australias Metroads. ... Princes Freeway M1 links Melbourne to Geelong on the west and Traralgon on the east. ...

• PRR M1, a class steam locomotive
• M1/M1A, a series of electric multiple unit cars
• M1 (Copenhagen), part of the city's Metro system

M1 is also a US military code attached to many weapons: PRR M1a on display at the 1939 Worlds Fair. ... The M1 and M3 are two identical series of electric multiple unit rail cars made by the Budd Company for the Long Island Rail Road and the Metro North Railroad and the latters predecessors, Penn Central (which also operated the LIRR) and Conrail. ... The M1 Line is a line of the Copenhagen Metro, coloured green on the map. ...

• M1 Abrams, a tank
• M1 Bayonet, as fitted to the M1 Garand
• M1 Carbine
• M1 Garand, a battle rifle
• M1 Helmet,
• M1 Mortar
• M1 Thompson submachine gun
• 120 mm M1 gun, a anti-aircraft gun.
• Benelli M1 Super 90, a semi-automatic shotgun
• M115 203 mm howitzer, also known as the "8-in Howitzer M1"

M1 may also refer to: The M1 Abrams main battle tank is the principal combat tank of the United States Army and the United States Marine Corps, with three main versions being deployed starting in 1980: the M1, M1A1, and M1A2. ... The M1 Bayonet was designed to be used with the 30 caliber US M1 Garand. ... The M1 Carbine (formally the United States Carbine, Caliber . ... The M1 Garand (more formally the United States Rifle, Caliber . ... The M1 steel helmet was used by the United States military for over 40 years. ... General data Weight: 136 lb assembled; tube 44. ... A lance corporal of the East Surrey Regiment, British Army equipped with a Thompson M1928 submachine gun (drum magazine), 25 November 1940 The Thompson, also known as the Tommy Gun, was a family of American submachine guns that became infamous during the Prohibition era. ... A 120 mm M1 anti-aircraft gun at Fort Meade in February 1953. ... Benelli M1 Super 90 Type: Semi-automatic recoil inertia bolt system Gauge: 12 Chamber: 76mm (3) Weight: 3. ... M115 203 mm howitzer Nationality United States Type Howitzer Date of design 1939 Caliber 203 mm Barrel length 5. ...

• One of the members of the rap group Dead Prez
• The Yamaha YZF-M1, a MotoGP motorbike
• a channel of the Hungarian Television.
• M1 typewriter, the first product of Olivetti

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