M11 or M-11 may refer to:

Aviation

* Miles M.11 Whitney Straight, a 1936 two-seater light aircraft *

Shvetsov M-11 The Shvetsov M-11 is a five-cylinder air-cooled radial aircraft engine produced in the Soviet Union between 1923 and 1952.Gunston 1989, p.158. Design and development The Shvetsov M-11 was designed under a 1923 competition in the Soviet Union f ...

, an aircraft engine produced in the Soviet Union

Science

* Messier 11 (M11), an open star cluster also known as the Wild Duck Cluster * Mathieu group M11 in the mathematical field of group theory * Ritter M11 UltraClave, a model of

autoclave An autoclave is a machine used to carry out industrial and scientific processes requiring elevated temperature and pressure in relation to ambient pressure and/or temperature. Autoclaves are used before surgical procedures to perform sterilizati ...

made by Midmark

Transportation

* M-11, a state highway in the metropolitan area of Grand Rapids, Michigan *

M11 (East London) Buffalo City (East London metropolitan area), like most South African cities, uses Metropolitan or "M" routes for important intra-city routes, a layer below National (N) roads and Regional (R) roads. Each city's M roads are independently numbere ...

, a Metropolitan Route in East London, South Africa * M11 (Cape Town), a Metropolitan Route in Cape Town, South Africa *

M11 (Johannesburg) M11 is a major metropolitan route in Greater Johannesburg, South Africa. Historically it was part of the main road between Johannesburg and Pretoria; it now runs through the central and north-eastern parts of the city from Bassonia, passing th ...

, a Metropolitan Route in Johannesburg, South Africa * M11 (Pretoria), a Metropolitan Route in Pretoria, South Africa * M11 (Durban), a Metropolitan Route in Durban, South Africa * M11 (Bloemfontein), a Metropolitan Route in Bloemfontein, South Africa * M11 (Port Elizabeth), a Metropolitan Route in Port Elizabeth, South Africa * M11 motorway in England * M11 motorway (Pakistan) Sialkot - Lahore Motorway in Pakistan * the

Moscow–Saint Petersburg motorway The Moscow–Saint Petersburg motorway ( rus, Автомагистраль Москва — Санкт-Петербург, Avtomagistral' Moskva-Sankt-Peterburg}), designated as the М11 Neva, is a Russian federal highway in the European part ...

, designated M11 * Highway M11 (Ukraine) * M11 motorway, portion of the N11 road in Ireland *

Mornington Peninsula Freeway The Mornington Peninsula Freeway is a freeway in Melbourne, Victoria, Australia, that provides a link from south-eastern suburban Melbourne to the Mornington Peninsula. Whilst the entire freeway from Dingley Village to Rosebud is declared by ...

in Victoria, Australia designated M11 * New York City Bus M11, a New York City Bus route in Manhattan * M11 (Istanbul Metro), a rapid transit line of the Istanbul Metro * M11 Road (Zambia), a road in

Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most central point. Its neighbours are t ...

Firearms and military equipment

* M11, a United States military designation for the

SIG Sauer P228 Sig used as a name may refer to: *Sig (given name) * Sig, Algeria, a city on the banks of the Sig River *Sig Alert, an alert for traffic congestion in California, named after Loyd Sigmon * Sig River, a river of Algeria also known as Mekerra sig ( ...

semi-automatic pistol * Ingram

MAC-11 The MAC-11 (''Military Armament Corporation'' Model 11) is a machine pistol developed by American firearm designer Gordon Ingram at the Military Armament Corporation (MAC) during the 1970s in Powder Springs, Georgia, United States. The weapon is a ...

, a sub-compact machine pistol *

M-11 Shtorm The M-11 Shtorm (russian: М-11 «Шторм»; en, Storm) is a Russian naval surface-to-air missile system. Its GRAU designation is 4K60. Its NATO reporting name is SA-N-3 Goblet. The system was first installed on , an anti-submarine warfare c ...

, a 1959 Russian naval surface-to-air missile system *

Fiat M11/39 The Carro Armato M11/39 was an Italian medium tank first produced prior to World War II. The M11/39 saw service in Africa and Italy (1939–1944). The official Italian designation was Carro Armato (armoured vehicle) M11/39. The designation for t ...

, an Italian medium tank used during World War II *

Grigorovich M-11 __NOTOC__ The Grigorovich M-11 (or Shchetinin M-11) was a Russian single-seat fighter flying boat designed by Dmitry Pavlovich Grigorovich and built by Shchetinin Design and development Originally conceived as a two-seater the prototype M-11 was ...

, a 1916 Russian single-seat fighter flying boat * Mk 11 Mod 0 Sniper Weapon System, a variant of the

SR-25 The SR-25 (Stoner Rifle-25) is a designated marksman rifle and semi-automatic sniper rifle designed by Eugene Stoner and manufactured by Knight's Armament Company. The SR-25 uses a rotating bolt and a direct impingement gas system. It is loose ...

used by the United States Navy *

Remington 11-87 The Remington Model 11-87 is a semi-automatic shotgun manufactured by Remington Arms and based on the earlier Remington Model 1100, Model 1100. The Model 11-87 remains in contemporary production, years after being introduced in 1987. Design The ...

, a semi-automatic shotgun * Panhard ULTRAV M11, a reconnaissance variant of the

Véhicule Blindé Léger The Panhard Véhicule Blindé Léger ("Light armoured vehicle"), also known by its acronym Panhard VBL or simply VBL, is a French wheeled 4x4 all-terrain vehicle built by Panhard. The vehicle is offered in various configurations, and was design ...

marketed to the US Army

Other

* M11, an abbreviation used to refer to the 11 March 2004 Madrid train bombings *

Change 2011 Change 2011 ( fi, Muutos 2011, sv, Förändring 2011) is a Finnish political party founded in 2009. The chairman of the party is Anita Saarinen. The party's name refers to 2011 Finnish parliamentary election, the first election the party particip ...

, a Finnish political party which advocates direct democracy *

M-11 (comics) M-11 Originally known as the Human Robot, the character was given the name "M-11" in the 2006 to 2007 ''Agents of Atlas'' miniseries as an allusion to its first appearance in '' Menace'' #11 from Marvel Comics' 1950s predecessor, Atlas Comics. ...

, a fictional robot in Atlas Comics and Marvel Comics * Magic 2011, the twelfth core set in Magic: The Gathering {{Letter-NumberCombDisambig