M6

M6, M06, M.6, or M-6 may refer to:

Military

 * M6 bayonet, a bayonet for the M14 rifle
 * M6 Bomb Truck, a truck used to move bombs during World War II
 * M6 Gun Motor Carriage, an American World War II light truck armed with an anti-tank gun
 * M6 gun, a 3" towed artillery piece
 * M6 heavy tank, a World War II heavy tank design that never entered full production
 * M6 Linebacker, an anti-aircraft variant of the M2 Bradley infantry fighting vehicle
 * M6 mine, a United States metal-cased, circular anti-tank landmine
 * M6 Mosegris, Danish designation for C15TA Armoured Truck
 * M6 Tractor
 * M6-640, a 60 mm mortar used by the British Army
 * Hirtenberger M6C-210 Commando, a 60 mm mortar used by various armies
 * LWRC M6, a series of United States military carbines based on the M4 carbine
 * Fokker M.6, a 1916 German two-seat experimental fighter aircraft
 * Macchi M.6, a 1917 Italian flying boat fighter prototype

Survival guns

 * M6 Aircrew Survival Weapon, a .22 Hornet over .410 gauge combination gun
 * Springfield Armory M6 Scout, a .22 LR over .410 gauge combination gun
 * Chiappa M6 Survival Gun, a 12 gauge over .22 LR combination gun

Entertainment

 * Groupe M6, a French media holding company
 * M6 (TV channel), a French television channel
 * Mike + The Mechanics, the sixth album by Mike & The Mechanics

People

 * Raúl Meza Ontiveros, Mexican suspected drug lord, nicknamed "M6"

Technology

 * M6 (cipher), a block cipher used by Digital Transmission Content Protection
 * M6, a British peak programme meter standard used for measuring the volume of audio broadcasts
 * Meizu M6 miniPlayer, flash-based portable media player
 * M6, a diode electrical component

Automobiles

 * BMW M6, a high-performance version of the 6 Series automobile.
 * BYD M6, an MPV produced by BYD Auto
 * M06 or BMW M30, a 1968 2.5 L-2.8 L straight-6 engine
 * M6 Presto-Matic, a semi-automatic transmission made by Chrysler
 * McLaren M6A, a racing car built by McLaren for the Can-Am series
 * Haima M6, a saloon
 * Refine M6, an MPV

Aviation

 * Amerijet International (IATA airline designator: M6), a cargo airline based in the United States
 * M06, Havre de Grace Seaplane Base FAA LID
 * Miles M.6 Hawcon, a 1930s British experimental monoplane
 * M-6 aero-engine 1920 Soviet copy of the 300 hp Hispano-Suiza 8Fb V-8 aero engine

Public transport

 * Bucharest Metro Line M6, a planned metro line of the Bucharest Metro
 * M6 (New York City bus), a former New York City Bus route in Manhattan
 * M6 (Istanbul Metro), a short metro line in Istanbul, Turkey
 * M6, a Washington, D.C. Metrobus route
 * Sri Lanka Railways M6, a diesel-electric locomotive used in Sri Lanka
 * M6 (railcar), a Metro-North Railroad railcar

Roads

 * Frederik Meijer Trail, formerly the M-6 Trail, a bike trail running along the M-6 freeway in the Grand Rapids, Michigan area
 * Highway M06 (Ukraine), a road in Ukraine
 * M6 motorway, a motorway in Great Britain
 * M6 Toll, a toll motorway which relieves traffic on the neighbouring M6
 * M-6 (Michigan highway), a state highway in the Grand Rapids, Michigan area
 * M6 highway (Russia), another name for the Caspian Highway
 * M6 motorway (Hungary), a north–south motorway connecting Budapest to Pécs and Croatia
 * M6 motorway (Ireland), a motorway forming part of the N6 Dublin to Galway national primary route
 * M6 Road (Zambia), a road in Zambia
 * M6 (Cape Town), a Metropolitan Route in Cape Town, South Africa
 * M6 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
 * M6 (Pretoria), a Metropolitan Route in Pretoria, South Africa
 * M6 (Port Elizabeth), a Metropolitan Route in Port Elizabeth, South Africa
 * M6 Motorway (Sydney), a proposed motorway in New South Wales, Australia

Others

 * Ursynów M-6, a prototype hovercraft designed between 1967 and 1971

Other uses

 * Butterfly Cluster, catalogued as Messier 6 or M6, an open star cluster in the constellation Scorpius
 * shorthand for king Mohammed VI of Morocco
 * M6 ISO metric screw thread
 * Mark Sixma, Dutch trance and house producer
 * Leica M6, a rangefinder camera once popular among photojournalists
 * Canon EOS M6, a mirrorless digital camera
 * SureFire M6 Guardian, a flashlight
 * M6, a difficulty grade in mixed climbing