M44 or M-44 may refer to:

Transportation

* BMW M44, an inline 4 gasoline engine produced by BMW * M-44 (Michigan highway), a state highway in Michigan * M44 (Cape Town), a Metropolitan Route in Cape Town, South Africa * M44 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa * M44 motorway (Hungary), an under-construction motorway * MÁV Class M44, the Polish code-name for a Hungarian shunting diesel locomotive

Weaponry

* 44M Tas, a Hungarian medium/heavy tank design of World War II * ALFA M44, a Spanish machine gun developed during World War II * Hungarian 44M, an unguided anti-tank rocket designed by Hungary in World War II * M44 generator cluster, an American chemical cluster bomb * M44 self propelled howitzer, 1950s US self-propelled 155 mm artillery * Panssarimiina m/44, a Finnish anti-tank blast mine * Tikkakoski M44, a Finnish submachine gun * A model of the

Mosin–Nagant The Mosin–Nagant is a five-shot, Bolt action, bolt-action, Magazine (firearms), internal magazine–fed military rifle. Known officially as the 3-line rifle M1891, in Russia and the former Soviet Union as Mosin's rifle (, ISO 9: ) and inform ...

, a Russian bolt-action rifle * A Yugoslav People's Army's internal designation of

SU-100 The SU-100 ( Russian: самоходная установка-100, СУ-100 romanized: '' Samokhodnaya Ustanovka-''100) is a Soviet tank destroyer armed with the D-10S 100 mm anti-tank gun in a casemate superstructure. It was used extens ...

self-propelled gun

Other uses

* IBM M44/44X, an experimental IBM mainframe from the 1960s * M44 (cyanide device), a device used to poison predators * Messier 44 (M44), an open star cluster also called the Beehive Cluster * Progress M-44, a spacecraft used to resupply the International Space Station * USS ''Vigor'' (AM-473), a U.S. Navy ''Agile''-class minesweeper * The 44th

Mersenne prime In mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form for some integer . They are named after Marin Mersenne, a French Minim friar, who studied them in the early 1 ...

{{Letter-Number Combination Disambiguation