M1, M01 or M-1 may refer to:

Arts and popular culture [link]

Anime [link]

• WD-M01 Turn A Gundam, a mecha from the anime Turn A Gundam

Music [link]

• M-1 (rapper), one half of hip hop duo Dead Prez
• Korg M1, a keyboard synthesizer

Photography [link]

• Leica M1, a 1959 35 mm camera model
• Olympus OM-1, a 1972 manually operated 35mm single-lens reflex camera

Computing [link]

• a codename for Cyrix 6x86 processor
• a short name for M1-DA, a video connector standard used on projectors

Economics and finance [link]

• M1, in economics, a measure of the money supply

Firearms and military equipment [link]

• M1 Abrams, a tank
• M1 bayonet, as fitted to the M1 Garand
• M1 carbine
• M1 chemical mine
• M1 Combat Car, an early tank
• M1 Garand, a battle rifle
• M1 Helmet
• M1 mortar
• M1 rocket launcher, a bazooka variant
• M1 Thompson carbine
• M1 Thompson submachine gun
• Mk 1 Underwater Defense Gun, an underwater pistol
• 120 mm M1 gun, an anti-aircraft gun
• Benelli M1 Super 90, a semi-automatic shotgun
• Bristol M.1, a 1916 British monoplane fighter aircraft
• HMS M1, an early submarine and one of the few submarines equipped with a capital-calibre gun
• M115 howitzer, also known as the "8-in Howitzer M1"
• Guncrafter Industries Model No. 1, a handgun
• The M1 flamethrower

Law [link]

• First degree murder (United States law)

Media [link]

• M1 (TV channel), a channel on Hungarian television Magyar Televízió
• M1 Limited, a telecommunications company in Singapore
• M-1 (Lithuanian radio station)

Medicine [link]

• A non-small cell lung carcinoma code for distant metastasis is present
• Another name for Methylone, a synthetic stimulant of the cathinone class

Sports [link]

• M-1 Global or M-1 Mixfight, a mixed martial arts organization

Science [link]

Astronomy [link]

• the Crab Nebula, also known as Messier object M1

Biology [link]

• 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
• Muscarinic acetylcholine receptor M1, a receptor in the human autonomic nervous system
• British NVC community M1, Sphagnum auriculatum bog pool community
• 20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol, a ppd-type monoglucoside ginsenoside metabolized by intestinal bacteria

Chemistry [link]

• ATC code M01 Anti-inflammatory and antirheumatic products, a subgroup of the Anatomical Therapeutic Chemical Classification System

Transportation [link]

Aircraft [link]

• Martin M-1, glider
• Matteson M-1, glider

Roads [link]

• M1 road (Australia), different sections of the A1 highway
• M1 motorway (Pakistan), a road connecting Peshawar and Rawalpindi
• M1 highway (Russia), a road connecting Moscow and the border with Belarus
• M01 highway (Ukraine), a road connecting Kyiv and the border with Belarus
• M1 highway (Belarus), a road connecting the border with Poland and the border with Russia
• M1 (Johannesburg), a road in South Africa
• Metroad 1, a road in Sydney, Australia
• M1 motorway (Hungary), a road connecting Budapest and Győr
• M1 motorway, a road in England connecting London and Leeds
• M1 motorway (Northern Ireland), a road connecting Belfast and Dungannon
• M1 motorway (Republic of Ireland), a road connecting Dublin to the border with Northern Ireland
• M-1 (Michigan highway), a road in the United States

Railways [link]

• M1 (Copenhagen), part of the city's Metro system, Denmark
• Bucharest Metro Line M1, part of the Bucharest Metro, Romania
• Line M1 - Milan Subway (Metropolitana di Milano)
• M1/M3 (railcar), a series of electric multiple unit cars
• M1, the first line of Budapest Metro, Hungary
• PRR M1, a class of steam locomotive

Bus routes [link]

• Route M-1 (MTA Maryland), a bus route in Baltimore, Maryland and its suburbs

Vehicles [link]

• BMW M1, a 1978 sports car model
• Miles M.1 Satyr, a 1930s British single-seat aerobatic biplane
• Minardi M01, a 1999 racing car
• Yamaha YZR-M1, a motorcycle
• M-1 (rocket engine), the largest liquid Hydrogen and LOx rocket engine ever built
• M1 category vehicle, a classification of passenger vehicles

This disambiguation page lists articles associated with the same title formed as a letter-number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article.