M1
- 120 mm gun M1
- 155 mm gun M1
- 1M (disambiguation)
- 1N400x general-purpose diode
- 20 mm aircraft gun M1
- 240 mm howitzer M1
- 35.5 cm Haubitze M1
- 37 mm gun M1
- 40 mm automatic gun M1
- 57 mm gun M1
- 76 mm gun M1
- 8-inch gun M1
- 90 mm gun M1
- ATC code M01
- Apple M1
- BMW M1
- Benelli M1
- Bofors 40 mm Automatic Gun L/60
- Bristol M.1
- British NVC community M1
- Bucharest Metro Line M1
- Chesapeake and Ohio class M-1
- Crab Nebula
- Cyrix 6x86
- Great Wall Haval M1
- Guncrafter Industries M1
- Hakuto-R Mission 1
- Highway M01 (Ukraine)
- Hispano-Suiza HS.404
- Korg M1
- LNER Class M1
- Leica M1
- Line 1 (Budapest Metro)
- List of mine warfare vessels of the Swedish Navy
- M series (Toronto subway)
- M-1 (Lithuanian radio station)
- M-1 (Michigan highway)
- M-1 (rapper)
- M-1 (rocket engine)
- M-1 Global
- M-1 Rail Line
- M-1 visa
- M1 (Copenhagen)
- M1 (Durban)
- M1 (East London)
- M1 (Istanbul Metro)
- M1 (Johannesburg)
- M1 (Lausanne Métro)
- M1 (New South Wales)
- M1 (New York City bus)
- M1 (Paris Métro)
- M1 (Port Elizabeth)
- M1 (Pretoria)
- M1 (Queensland)
- M1 (Russian TV channel)
- M1 (Singaporean company)
- M1 (TV channel)
- M1 (Ukraine)
- M1 (Victoria)
- M1 (Warsaw)
- M1 (missile)
- M1 (money supply measure)
- M1 (İzmir Metro)
- M1 Abrams
- M1 Finance
- M1 Garand
- M1 Road (Zambia)
- M1 Support Services
- M1 Thompson submachine gun
- M1 armored car
- M1 bayonet
- M1 carbine
- M1 category vehicle
- M1 chemical mine
- M1 combat car
- M1 flamethrower
- M1 frangible grenade
- M1 heavy tractor
- M1 helmet
- M1 highway (Belarus)
- M1 highway (Russia)
- M1 light tractor
- M1 macrophage
- M1 medium tractor
- M1 mine
- M1 mortar
- M1 motorway
- M1 motorway (Hungary)
- M1 motorway (Northern Ireland)
- M1 motorway (Pakistan)
- M1 motorway (Republic of Ireland)
- M1 protein
- M1 road (Australia)
- M1 road (Malawi)
- M1 rocket launcher
- M1 underwater defense gun
- M1-DA
- M1/M3 (railcar)
- MI (disambiguation)
- ML (disambiguation)
- Martin M-1
- Matteson M-1
- Metro M1 (Prague)
- Metroad 1
- Milan Metro Line 1
- Miles Satyr
- Minardi M01
- Model 1 (disambiguation)
- Moreland M-1
- Muscarinic acetylcholine receptor M1
- Olympus OM-1
- Ordnance QF 6-pounder
- PRR M1
- Primary motor cortex
- Riich M1
- Route 52 (MTA Maryland)
- Verville-Sperry M-1 Messenger
- Yamaha YZR-M1