M13, M-13 or M₁₃ may refer to:

Military

* Fiat M13/40, an Italian tank used in World War II *

M13 Half-track The M13 Multiple Gun Motor Carriage (MGMC), otherwise known as the M13 half-track, was a self-propelled anti-aircraft gun used by the U.S. Army during World War II that was armed with two .50 caliber M2HB heavy-barrel Browning machine guns. De ...

, a U.S. anti-aircraft gun used in World War II * M13 link, a machine gun's ammunition link * M-13 rocket, a version of the Soviet World War II RS-82 rocket * M13 revolver, a lightweight version of the

Smith & Wesson Model 12 The Smith & Wesson (S&W) Model 12 is a .38 Special revolver on Smith & Wesson's medium-sized K-frame. It is an aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic nu ...

pistol for U.S. Air Force crew

Roads

Highway M13 (Ukraine) M13 is a Ukraine, Ukrainian international highway (State Highways (Ukraine), M-highway) connecting Kropyvnytskyi to the border with Moldova, where before crossing the Dniester it heads towards Chişinău as the M1 highway (Moldova), M1. The entir ...

, an international highway connecting Ukraine and Moldova * M-13 (Michigan highway), a state highway in the United States * M13 (East London), a Metropolitan Route in East London, South Africa *

M13 (Cape Town) The City of Cape Town (Cape Town metropolitan area) like most South African metropolitan areas, 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 ind ...

, a Metropolitan Route in Cape Town, South Africa * M13 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa * M13 (Pretoria), a Metropolitan Route in Pretoria, South Africa *

M13 (Durban) The M13 or King Cetshwayo Highway is a metropolitan route in the Ethekwini Metropolitan Municipality in the KwaZulu-Natal province of South Africa. For part of its route, it is a highway and it acts as an alternative route to the N3 Highway for ...

, a Metropolitan Route in Durban, South Africa *

M13 (Bloemfontein) Mangaung (Bloemfontein metropolitan area) like most South African metropolitan areas, 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 independentl ...

, a Metropolitan Route in Bloemfontein, South Africa *

M13 (Port Elizabeth) Port Elizabeth, 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 numbered. These roads naturally in ...

, a Metropolitan Route in Port Elizabeth, South Africa *

M13 Road (Zambia) The M13 is a road in the Luapula Province of Zambia that connects Chipili with Kawambwa. It starts at a junction with the M3 Road ( Kasama-Mansa Road) approximately 23 kilometres north of the Chipili town centre and it heads north for 88 kilo ...

, a road in Zambia

Other uses

M13 (Istanbul Metro) Line M13, officially referred to as the M13 Söğütlüçeşme–Yenidoğan line, is a rapid transit line of the Istanbul Metro system, currently planned in the Asian part of Istanbul ) , postal_code_type = Postal code , postal_code ...

, a rapid transit rail line in Istanbul Turkey * M₁₃, the

Mathieu groupoid In mathematics, the Mathieu groupoid M13 is a groupoid acting on 13 points such that the stabilizer of each point is the Mathieu group M12. It was introduced by and studied in detail by . Construction The projective plane of order 3 has 13 point ...

by John Horton Conway *

M13 bacteriophage M13 is one of the Ff phages (fd and f1 are others), a member of the family filamentous bacteriophage ( inovirus). Ff phages are composed of circular single-stranded DNA ( ssDNA), which in the case of the m13 phage is 6407 nucleotides long and i ...

, a virus that infects bacteria *

Magic 2013 Magic or Magick most commonly refers to: * Magic (supernatural), beliefs and actions employed to influence supernatural beings and forces * Ceremonial magic, encompasses a wide variety of rituals of magic * Magical thinking, the belief that unrela ...

, the fourteenth core set in ''Magic: The Gathering'' * Messier 13, a globular cluster in the constellation Hercules *

Miles M.13 Hobby The Miles M.13 Hobby was a small low-winged monoplane built for racing and research in the United Kingdom just before World War II. A single engined single seater, it ended its days in the wind tunnel at the Royal Aircraft Establishment, R.A.E ...

, an airplane built by Miles Aircraft * Samsung Galaxy M13, an Android-based smartphone manufactured by Samsung Electronics {{Letter-NumberCombDisambig