Editing M3

{{wiktionary|M3|m3}}
'''M3''', '''M-3''' or '''M03''' may refer to:

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== Computing and electronics ==
* [[Apple M3]], a central processing unit in the Apple M series
* [[Intel m3]], a brand of microprocessors
* [[M.3 (computing)|M.3]] (aka NF1/NGSFF), a specification for internally mounted expansion cards
* [[Leica M3]], a landmark 35mm rangefinder camera
* [[Modula-3]] (M3), a programming language
* M3, a British [[peak programme meter]] standard used for measuring the volume of audio broadcasts
* m3, a macro processor for the AP-3 minicomputer, the predecessor to [[M4 (computer language)|m4]]
* M3, a surface-mount version of the [[1N4003]] general-purpose silicon rectifier diode
* [[M3 (email client)]], an unreleased email client for the Vivaldi browser

== Entertainment ==
* M3, a comic book created by [[Vicente Alcazar]]
* [[M3 adapter]], a Game Boy Advance movie player
* [[M3 (Canadian TV channel)]], a music and entertainment television channel
* [[M3 (Hungarian TV channel)]], a Hungarian television channel
* ''[[M3: Malay Mo Ma-develop]]'', a 2010 Philippine TV series
* [[M3 Music Card]], a 2007 flash-based MP3 player
* M3 Perfect, M3 Simply and M3 Real, [[Nintendo DS and 3DS storage devices]]
*''[[M3: Sono Kuroki Hagane]]'', a 2014 Japanese anime television series

== Military ==

=== Weapons ===
* [[37 mm Gun M3]], a light American anti-tank gun
* M3/M3E1 Multi-role Anti-armor Anti-tank Weapon System (MAAWS) (AKA: [[Carl Gustaf 8.4cm recoilless rifle]]), an 84&nbsp;mm man-portable reloadable anti-tank recoilless rifle 
* [[90 mm Gun M1/M2/M3]], an American anti-aircraft and anti-tank gun
* [[105 mm Howitzer M3]], an American light artillery piece
* [[Benelli M3 Super 90]], an Italian semi-automatic shotgun
* [[M3 20mm cannon]], a United States development of the Hispano-Suiza HS.404
* [[M3 fighting knife]], a World War II American issue knife
* [[M3 machine gun]], a variant of the M2 Browning
* [[M3 submachine gun]] (AKA: Grease Gun), an American submachine gun
* [[M3 tripod]], a modern tripod for the M2 Browning machine gun
* M3, a code name for a United States military mission at [[Roosevelt Roads Naval Station]] in Puerto Rico

=== Vehicles ===
* [[M3 Amphibious Rig]], a German self-propelled amphibious bridging vehicle
* [[M3 Bradley]], an American infantry fighting vehicle
* [[M3 Gun Motor Carriage]], American tank destroyer
* [[M3 half-track]], an armored military vehicle
* [[M3 Lee]], an American medium tank; also known as "M3 Grant" in Commonwealth service
* [[Panhard M3]] PTT, a French armored personnel carrier
* {{ship|HMS|Raglan}} (M3), a WWI British Royal Navy monitor
* [[M3 Ram]], a Canadian cruiser tank
* [[M3 Scout Car]], an American armored vehicle
* [[M3 Stuart]], an American light tank
* {{ship|HSwMS|Visborg|M03}}, a Swedish Royal Navy mine layer
* {{ship|HSwMS|M3}}, a [[List of mine warfare vessels of the Swedish Navy|Swedish Navy mine sweeper]] (1940–1955)
* {{ship|HMS|M3|1918|6}}, a British Royal Navy minelayer submarine of the post-WWI period

== Music ==
* [[Major third]] (M3), a type of musical interval
* [[Major thirds tuning]] (M3 tuning), a regular tuning with major-third intervals between successive strings
* [[Minor third]] (m3), a type of musical interval
* [[M3 (album)|''M3'' (album)]], a 1999 album by Mushroomhead
* [[M3 (band)]], an American rock band
* [[The Company of Snakes#M3|M3 Classic Whitesnake]], a band featuring [[Bernie Marsden]], [[Micky Moody]] and [[Neil Murray (British musician)|Neil Murray]]
* [[M3 Records]], a record label
* [[Korg M3]], a workstation synthesizer

== Science and medicine ==
* m<sup>3</sup>, the [[cubic metre]], a unit of volume
* M<sub>3</sub>, the minimal modular, but non-[[distributive lattice#Characteristic properties|distributive lattice]] in mathematical order theory
* [[ATC code M03]], ''Muscle relaxants'', a subgroup of the Anatomical Therapeutic Chemical Classification System
* [[Messier 3]] (M3), a globular cluster in the constellation Canes Venatici
* [[Muscarinic acetylcholine receptor M3|Muscarinic acetylcholine receptor M<sub>3</sub>]], an acetylcholine receptor
* [[The M-3 (My Mood Monitor) Screen]], a mental health symptom checklist

== Transport ==
{{for|military vehicles named M3|#Vehicles}}

===Air transport===
* [[ABSA - Aerolinhas Brasileiras]] IATA airline designator M3, a cargo airline based in Campinas, Brazil
* [[Miles M.3 Falcon]], a 1930s British four-seat cabin monoplane

===Automobiles===
* [[Bisu M3]], a Chinese MPV
* [[BMW M3]], a German compact performance car series
* [[BYD M3]], a Chinese MPV
* [[Dongfeng Fengxing Lingzhi|Dongfeng Fengxing Lingzhi M3]], a Chinese MPV
* [[Haima M3]], a Chinese subcompact sedan
* [[JAC Refine M3]], a Chinese MPV

===Roads and routes===
* [[Eastern Freeway (Melbourne)]], part of the M3 in Victoria, Australia
* [[EastLink (Melbourne)]], part of the M3 in Victoria, Australia
* [[Highway M03 (Ukraine)]], an international highway connecting Kyiv with Dovzhansky 
* [[M3 highway (Russia)]], another name for the Ukraine Highway in Russia
* [[M-3 (Michigan highway)]], a state highway in the Detroit metropolitan area
* [[M3 motorway (disambiguation)]], several roads
* [[M3 (New York City bus)]], a New York City Bus route in Manhattan
* [[M3 Milton–City Centre]], a bus route in Glasgow
* [[M3 (East London)]], a Metropolitan Route in East London, South Africa
* [[M3 (Cape Town)]], a Metropolitan Route in Cape Town, South Africa
* [[M3 (Pretoria)]], a Metropolitan Route in Pretoria, South Africa
* [[M3 (Port Elizabeth)]], a Metropolitan Route in Port Elizabeth, South Africa
* [[Route M-3 (MTA Maryland)]], a former bus route in Baltimore, Maryland
* [[Jalan Datuk Wira Poh Ah Tiam]], numbered M3 in Malacca, Malaysia
* [[M3 road (Zambia)]], a road in Zambia
* [[M3 road (Malawi)]], a road in Malawi

===Rail transport===
* [[LCDR M3 class]], a steam locomotive class of the London, Chatham & Dover Railway
* [[M1/M3 (railcar)]], a Long Island Rail Road and Metro-North Railroad railcar
* [[Sri Lanka Railways M3]], a diesel-electric locomotive class of Sri Lanka Railways
* [[Line M3 (Budapest Metro)]], the North-South Line of the Budapest Metro, Hungary
* [[M3 (Copenhagen)]] (City Circle Line or Cityringen), a future expansion of the Copenhagen Metro
* [[M3 (Istanbul Metro)]], a rapid transit line in the European part of Istanbul, Turkey
* [[Milan Metro Line 3]], a subway line serving Milan, Italy

== Other uses ==
* M3, an [[ISO metric screw thread]] size
* [[M3 (economics)]], a measure of the money supply
* [[M3 (hieroglyph)]], the Ancient Egyptian baker's tool hieroglyph
* [[MLBB M3 World Championship]], the third esports world championship for the mobile game [[Mobile Legends: Bang Bang]] held in 2021
* M3, a difficulty grade in [[mixed climbing]]

== See also ==
{{canned search|m-3|m3}}
* {{srt|M3}}
* {{intitle|m-3}}
* [[MMM (disambiguation)]]
* [[3M (disambiguation)]]
* [[M1903 (disambiguation)]]
* MThree (Coquitlam), a high-rise condominium in British Columbia
* [[List of highways numbered 3]]

{{Letter-Number Combination Disambiguation}}