M13
# M13

M13, M-13 or $M_{13}$ may refer to:

## Military

* Fiat M13/40, an Italian tank used in World War II
* M13 Half-track, 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 either the Smith & Wesson Model 12 or the Colt Cobra pistol for U.S. Air Force crews

## Roads

* Highway M13 (Ukraine), 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), 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), a Metropolitan Route in Durban, South Africa
* M13 (Bloemfontein), a Metropolitan Route in Bloemfontein, South Africa
* M13 (Port Elizabeth), a Metropolitan Route in Port Elizabeth, South Africa
* M13 Road (Zambia), a road in Zambia

## Other uses

* M13 (Istanbul Metro), a rapid transit rail line in Istanbul Turkey
* $M_{13},$ the Mathieu groupoid by John Horton Conway
* M13 bacteriophage, a virus that infects bacteria
* Magic 2013, the fourteenth core set in Magic: The Gathering
* Messier 13, a globular cluster in the constellation Hercules
* Miles M.13 Hobby, an airplane built by Miles Aircraft
* Samsung Galaxy M13, an Android-based smartphone manufactured by Samsung Electronics
