M18 or M-18 may refer to:

Aircraft

Messerschmitt M 18 The Bayerische Flugzeugwerke M 18 (BFW M 18), (later known as Messerschmitt M 18) was an airliner, produced in Germany in the late 1920s. Design and development Designed at the request of Theodor Croneiss to supply his new airline venture which ...

, an early German airliner *

Miles M.18 The Miles M.18 was a single-engine twin-seat low-winged light British civil utility aircraft of the 1930s. Development The Miles M.18 was a series of three slightly different prototype aircraft. Variants The M.18 Mk.1 was a two-seat tandem tra ...

, a Miles aircraft *

Mooney M-18 Mite The Mooney M-18 "Mite" is a low-wing, single-place monoplane with retractable, tricycle landing gear.M.R. Montgomery & Gerald Foster: ''A Field Guide to Airplanes - Second Edition'', p. 46. Houghton Milflin Company 1992. Plane and Pilot: ''19 ...

, a low-wing monoplane * PZL-Mielec M-18 Dromader, an agricultural and aerial-firefighting aircraft

Firearms and military equipment

* M18 Claymore mine, an American anti-personnel landmine *

M18 Hellcat The M18 Hellcat (officially designated the 76 mm Gun Motor Carriage M18 or M18 GMC) is a tank destroyer that was used by the United States Army in World War II and the Korean War. A top speed of up to was attained by keeping armor to a minim ...

, an American tank destroyer used in World War II *

M18 smoke grenade The M18 Colored Smoke Grenade is a US Army grenade used as a ground-to-ground or ground-to-air signaling device, a target or landing zone marking device, or a screening device for unit maneuvering. History The M18 was developed in 1942 durin ...

, a colored smoke grenade *

M18 recoilless rifle The M18 recoilless rifle is a 57 mm shoulder-fired, anti-tank recoilless rifle that was used by the U.S. Army in World War II and the Korean War. Recoilless rifles are capable of firing artillery-type shells at reduced velocities comparable to t ...

, a late-World War II recoilless rifle *

SIG Sauer M18 The SIG Sauer M17 and M18 are service pistols derived from the SIG Sauer P320 in use with the United States Armed Forces. On January 19, 2017, the United States Army announced that a customized version of SIG Sauer's P320 had won the Army's X ...

pistol, a compact, carry sized SIG Sauer P320 used by the United States armed forces

Roads and highways

* M18 motorway (Great Britain) *

M18 motorway (Ireland) The M18 motorway ( ga, Mótarbhealach M18) is an inter-urban motorway in Ireland, forming part of the Limerick, Ennis to Galway national primary road, which, in turn, forms part of the Atlantic Corridor called for as part of the Transport ...

* M-18 (Michigan highway) *

M18 (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 *

M18 (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 *

M18 (Johannesburg) The M18 is a long metropolitan route in Greater Johannesburg, South Africa. It connects Krugersdorp with Bruma via Constantia Kloof, Florida, Auckland Park, Braamfontein and Observatory. It is an alternative route to the R24 Route for tra ...

, a Metropolitan Route in Johannesburg, South Africa *

M18 (Pretoria) The M18 road is a long metropolitan route in Gauteng, South Africa. It connects Pretoria with Thembisa via Centurion and Olifantsfontein. It is an alternative route to the R21 Freeway for travel between Pretoria and Thembisa. Route The M ...

, a Metropolitan Route in Pretoria, South Africa *

M18 (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 *

List of M18 roads This is a list of roads designated M18. Road entries are sorted in the countries alphabetical order. * M-18 road (Bosnia and Herzegovina) a road connecting Sarajevo, Trnovo, Foča and Trebinje * M18 motorway (Great Britain), a road connecting Rot ...

Other uses

* M18, a metric

screw thread A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force. A screw thread is a ridge wrapped around a cylinder or cone in the form of a helix, with the former being called ...

Messier 18 Messier 18 or M18, also designated NGC 6613, is an open cluster of stars in the constellation Sagittarius. It was discovered by Charles Messier in 1764 and included in his list of comet-like objects. From the perspective of Earth, M18 is situat ...

, an open star cluster in the constellation Sagittarius * M18 or M-18,

Mara 18 18th Street, also known as , , , or simply in Central America, is a multi-ethnic (largely Central American and Mexican) transnational criminal organization that started as a street gang in Los Angeles. It is one of the largest transnational ...

, Central American street gang *

Hope Municipal Airport Hope Municipal Airport is a city-owned public-use airport located four nautical miles (5 mi, 7 km) northwest of the central business district of Hope, a city in Hempstead County, Arkansas, United States. It is included in the N ...

, Arkansas, United States (FAA location identifier: M18) * A line of 18-volt power tools manufactured by Milwaukee Electric Tool Corporation * M18, a student club at the

Bauhaus University, Weimar The Bauhaus-Universität Weimar is a university located in Weimar, Germany, and specializes in the artistic and technical fields. Established in 1860 as the Great Ducal Saxon Art School, it gained collegiate status on 3 June 1910. In 1919 the sc ...

, Germany {{Letter-Number Combination Disambiguation