M41, M-41, or M.41 may refer to:

Transportation

M-41 (Michigan highway) M-41 was the designation of a former state trunkline highway in the Lower Peninsula of the US state of Michigan that began near Holton and ran north- and northwest-ward, ending at Hart. The highway was created by 1919 and lasted until 1926. The ...

, a former state highway in Michigan * M41 (Cape Town), a Metropolitan Route in Cape Town, South Africa *

M41 (Johannesburg) The M41 is a short metropolitan route in Greater Johannesburg, South Africa. It is a very short route connecting Jet Park with Boksburg North. Route The M41 begins in Jet Park, in the far northern part of Boksburg (south of Kempton Park), ...

, a Metropolitan Route in Johannesburg, South Africa *

M41 (Durban) The M41 is a metropolitan route in the eThekwini Metropolitan Municipality, South Africa linking uMhlanga to Mount Edgecombe and Phoenix, north of the city of Durban. Route The M41 begins at an interchange with the M4 highway in uMhlanga R ...

, a Metropolitan Route near Durban, South Africa * M41 motorway, a En motorway in England *

M41 highway The M41, known informally and more commonly as the Pamir Highway (russian: Памирский тракт, translit=Pamirsky Trakt ), is a road traversing the Pamir Mountains through Afghanistan, Uzbekistan, Tajikistan and Kyrgyzstan with a ...

, a major highway in Central Asia which crosses the Pamir Mountains *

BMW M41 The BMW M41 was a straight-4 Turbocharger, turbocharged indirect injection Diesel engine produced from 1994 through 2000. M41D17 With the M41 engine the first four-cylinder diesel engine was introduced by BMW. Then engine derived from the six-cy ...

, a 1994 straight-4 diesel engine

Military

* M41 Walker Bulldog, an American light tank * M41 155 mm Howitzer Motor Carriage, developed from

M24 Chaffee The M24 Chaffee (officially Light Tank, M24) was an American light tank used during the later part of World War II; it was also used in post–World War II conflicts including the Korean War, and by the French in the War in Algeria and the Firs ...

M1941 Johnson rifle The M1941 Johnson Rifle is an American short-recoil operated semi-automatic rifle designed by Melvin Johnson prior to World War II. Although the M1941 was used in limited numbers by the US Marines during the Second World War, it unsuccessfully ...

* M1941 Johnson Light Machine Gun * Macchi M.41 and M.41''bis'', an Italian flying boat fighter of the 1930s * Type 41 75 mm Mountain Gun, a Japanese artillery gun *

HMS Quorn (M41) HMS ''Quorn'', the third ship of this name, was a of the Royal Navy. She was launched on 23 January 1988, as the last ship of her class. Operational history On 18 March 2007, she was presented with the ''Freedom of the Borough'' scroll in Me ...

, a British naval minesweeper * M41 Light Rifle/TLR-41, a possible designation for the

Thompson Light Rifle The Thompson Light Rifle was an attempt by the Auto-Ordnance Company to manufacture a light rifle for the United States Armed Forces. The overall weapon was based on their well proven .45 ACP submachine gun, although the original .30 Carbine cali ...

M-1941 Field Jacket The Jacket, Field, O.D. (also unofficially known as O.D. Cotton Field Jacket, Parsons Jacket, or M1941) is a field jacket that was used by US Army soldiers, most famously during the beginning of World War II. In 1941 it started to be phased in as ...

, a World War II-era US Army uniform jacket

Entertainment

* M41A pulse rifle, a fictional assault rifle from the 1986 film ''Aliens'' and related media * The 41st millennium, as expressed in the

game A game is a structured form of play (activity), play, usually undertaken for enjoyment, entertainment or fun, and sometimes used as an educational tool. Many games are also considered to be work (such as professional players of spectator s ...

Warhammer 40000 ''Warhammer 40,000'' is a miniature wargame produced by Games Workshop. It is the most popular miniature wargame in the world, and is particularly popular in the United Kingdom. The first edition of the rulebook was published in September 1987, ...

''.

Other

* Messier 41 (M41), an open star cluster in the constellation Canis Major * M41, a postcode in the

M postcode area The M postcode area, also known as the Manchester postcode area, is a group of postcode districts in the North West of England. The districts are subdivisions of three post towns: Manchester, Salford and Sale and cover parts of all ten boro ...

that covers the town of Urmston, United Kingdom * the 41st Mersenne prime {{Letter-Number Combination Disambiguation