Arts, entertainment & media
* M-1 (rapper), one half of hip hop duo Dead Prez * Korg M1, a keyboard synthesizer * Leica M1, a 1959 35 mm camera model * Olympus OM-1, a 1972 manually operated 35mm single-lens reflex camera * M1 (TV channel), news channel of the Hungarian MTVA * M-1 (Lithuanian radio station) * M1 (Ukraine), a television channel * M1 (Russian TV channel)Economics and finance
* M1 (money supply measure), in economics, a measure of the money supply * M1 Finance, an online financial services companyMilitary equipment
Vehicles
US Armed Forces
* M1 Abrams, a main battle tank * M1 armored car * M1 combat car, an early tank * M1 light tractor * M1 medium tractor * M1 heavy tractorOther
* Bristol M.1, a 1916 British fighter aircraft * (M1), a WWI Royal Navy monitor * (1919), an early British submarine * , a Swedish Navy mine sweeper * , a Swedish Royal Navy mine layerWeapons
US Armed Forces
* 120 mm gun M1, an anti-aircraft gun *Other
* 35.5 cm Haubitze M1, a German WWII howitzer * Benelli M1, a semi-automatic shotgun * Guncrafter Industries M1 or Model No. 1, a handgun * M1 (missile), French * M1 mineHelmets
* M1 helmetScience and technology
* theComputing
* a codename for Cyrix 6x86 processor * M1-DA, M1, or VESA Plug and Display connector * a part number for a 1N400x general-purpose diode * Apple M1 system on a chipBiology
* Primary motor cortex or M1, a symbol of the primary motor cortex in mammals in neurology * M1 protein, a matrix protein of the influenza virus *Medicine
* Slang name forRoads and railways
Railways
* Bucharest Metro Line M1, part of the Bucharest Metro, Romania * Chesapeake and Ohio class M-1, a steam-turbine locomotive * Line 1 (Budapest Metro), the first line of Budapest Metro, Hungary * LNER Class M1, a class of British steam locomotives * M-1 Rail Line, now the QLine, streetcar service in Detroit *Roads
* M1 road (Australia), different sections of the A1 highway ** M1 (New South Wales) ** M1 (Queensland) ** M1 (Victoria) * Metroad 1, a road in Sydney, Australia * M-1 (Michigan highway), a road in the United States that runs from Detroit northwesterly to Pontiac * M1 road (Malawi), major road in Malawi * M1 highway (Belarus), a road connecting the border with Poland and the border with Russia * M1 highway (Russia), a road connecting Moscow and the border with Belarus * M1 (East London), a Metropolitan Route in East London, South Africa * M1 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa * M1 (Pretoria), a Metropolitan Route in Pretoria, South Africa * M1 (Durban), a Metropolitan Route in Durban, South Africa * M1 (Port Elizabeth), a Metropolitan Route in Port Elizabeth, South Africa * M1 motorway (Hungary), a road connecting Budapest and Győr * M1 motorway (Northern Ireland), a road connecting Belfast and Dungannon * M1 motorway (Pakistan), a road connecting Peshawar and Rawalpindi * M1 motorway (Republic of Ireland), a road connecting Dublin to the border with Northern Ireland *Bus
* Route M-1 (MTA Maryland), a bus route in Baltimore, Maryland and its suburbs * M1 (New York City bus), a New York City Bus route in ManhattanVehicles
* M1 category vehicle, a classification of passenger vehicles under the United Nations Economic Commission for EuropeAviation and aerospace
* Hakuto-R Mission 1, private Japanese lunar landing mission * M-1 (rocket engine), the largest liquid Hydrogen and LOx rocket engine ever designed * Martin M-1, glider * Matteson M-1, glider * Miles M.1 Satyr, a 1930s British single-seat aerobatic biplane * Verville-Sperry M-1 Messenger - 1922Automobiles
* BMW M1, a German mid-engined sports car * Great Wall Haval M1, a Chinese subcompact crossover * Minardi M01, an Italian 1999 Formula One racing car * Riich M1, a Chinese city carMotorcycles
* Yamaha YZR-M1, a Japanese motorcycleMiscellaneous
* M-1 Global or M-1 Mixfight, a mixed martial arts sports organization * M-1 visa, a vocational training student visa for the US * M1 (Singaporean company), a telecommunications company in Singapore * M1 World Championship, the first esports world championship for the mobile game '' Mobile Legends: Bang Bang'' held in 2019 * M1, a difficulty grade in mixed climbingSee also
* Model 1 (disambiguation) * 1M (disambiguation) * ML (disambiguation) * MI (disambiguation) {{Letter-Number Combination Disambiguation