M7, M-7, or M.7 may refer to:

Transportation

Air

* M7 Aerospace, a United States aerospace company * Macchi M.7, an Italian flying boat fighter in service from 1923 to 1930 * Miles M.7 Nighthawk, a 1930s British training and communications monoplane * Maule M-7, an American single-engine light aircraft * Marsland Aviation (IATA code), a Sudanese airline * Tropical Airways (IATA code), a defunct small airline based in Haiti

Rail

* M7 (Istanbul Metro), a metro line in Istanbul, Turkey * LSWR M7 class, a steam locomotive * M7 (railcar), a Long Island Rail Road and Metro-North Railroad railcar * NMBS/SNCB M7 railcar, a National Railway Company of Belgium (NMBS/SNCB) railcar

Road

* M7 (New York City bus), a New York City Bus route in Manhattan * Westlink M7, an urban motorway in the Sydney, Australia area * Metroad 7 (Brisbane) (M7), an urban motorway in Brisbane, Australia * M-7 (Michigan highway), the former designation of M-86, a state highway in Michigan * M7 (East London), a Metropolitan Route in East London, South Africa * M7 (Cape Town), a Metropolitan Route in Cape Town, South Africa * M7 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa * M7 (Pretoria), a Metropolitan Route in Pretoria, South Africa * M7 (Durban), a Metropolitan Route in Durban, South Africa * M7 (Port Elizabeth), a Metropolitan Route in Port Elizabeth, South Africa * M7 motorway (Ireland), a motorway in Ireland * M7 motorway (Hungary), a motorway in Hungary * M7 highway (Russia), the Volga Highway in Russia * Highway M07 (Ukraine) * M7 road (Malawi), a road in Malawi * M7 road (Zambia), a road in Zambia * Chery Arrizo M7, a minivan * AITO M7, an electric SUV

Military

* M7 grenade launcher, an American World War II era rifle grenade launcher * M7 Priest, an American self-propelled artillery vehicle * M7 bayonet, a United States military bayonet * M7 mine, a United States anti-tank mine * M7 snow tractor * M-7, a Chinese tactical ballistic missile; See S-75 Dvina#DF-7, S-75 Dvina * Medium Tank M7, a tank design project conceived as an up-gunned replacement for the M3/M5 Stuart * XM7 rifle, a U.S. Army assault rifle

Technology

* Apple M7, a dedicated motion co-processor accompanying the Apple A7 SoC * HTC One (2013) or HTC M7, HTC's 2013 high-end flagship smartphone * Intel m7, a brand of microprocessors * Leica M7, a Leica rangefinder camera * SPARC M7, an upcoming computer chip by Oracle Corporation, Oracle * M7, one of the 1N400x general-purpose diodes

Other uses

* "M7", a shorthand reference to Yoweri Museveni, President of Uganda * Messier 7, an open star cluster in the constellation Scorpius * Major seventh * Major seventh chord * M7 (perfume), a men's fragrance produced by Yves Saint Laurent * M7 Group, a Luxembourg-based satellite TV provider for several European countries * M7, a difficulty grade in mixed climbing * M7 Education, charity co-founded by Miniminter