The following is a list of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

weapons of the United States, which includes firearm,

artillery Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during siege ...

vehicles A vehicle (from la, vehiculum) is a machine that transports people or cargo. Vehicles include wagons, bicycles, motor vehicles (motorcycles, cars, trucks, buses, mobility scooters for disabled people), railed vehicles (trains, trams), ...

, vessels, and other support equipment known to have been used by the

United States Armed Forces The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is ...

—namely the

United States Army The United States Army (USA) is the land warfare, land military branch, service branch of the United States Armed Forces. It is one of the eight Uniformed services of the United States, U.S. uniformed services, and is designated as the Army o ...

United States Army Air Forces The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...

United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

, and

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mu ...

—as well as the Office of Strategic Services and other U.S. government agencies involved in the war, during American involvement between 1941 and 1945. This list includes experimental technology that, while created during the war, was never issued as intended.

Blades

*M1 bayonet *M1917 bayonet *M4 bayonet *Ka-bar *Bolo knife *Bowie knife *United States Marine Raider stiletto *V-42 stiletto

Small arms

Pistols (manual and semi-automatic)

Automatic pistols and submachine guns

Rifles

Carbines

Shotguns

*Winchester M12 *Browning Auto-5 *Remington 31 *Stevens Model 520/620, Stevens M520-30 *Ithaca 37 *Winchester Model 1897

Grenades and grenade launchers

*M7 grenade launcher *Mk 2 grenade

Mines

*M2 mine *M5 mine *M7 mine

Recoilless rifles

*M18 recoilless rifle *M20 recoilless rifle

Flamethrowers

*M1A1 Flamethrower, M1A1 flamethrower *M2 flamethrower, M2-A1 flamethrower *Ronson flamethrower

Machine guns

Infantry and dual

*M1917 Browning machine gun, Browning M1917A1 (.30-'06) *M1918 Browning Automatic Rifle, Browning M1918A2 (.30-'06) *M1919 Browning machine gun, Browning M1919A4/A6 and family (.30-'06) *M1941 Johnson machine gun, M1941 Johnson Light Machine Gun (LMG) (.30-'06) *M2 Browning machine gun, Browning M2HB (.50 BMG)

Vehicle and aircraft machine guns and autocannons

*Oerlikon 20 mm cannon, 20mm autocannon *37 mm gun M1, 37mm autocannon *Bofors 40 mm Automatic Gun L/60, 40mm Bofors autocannon *M4 cannon *M2 cannon *50 caliber machine gun (Browning M2) *M1919 Browning machine gun, M1919A4 Browning machine gun *M1917 Browning machine gun, M1917 HMG AA configuration

Tanks

Light tanks

*M2 Light tank *M3 Stuart *M5 Stuart *M22 Locust *M24 Chaffee *LVT-1, LVT-1 alligator (and variants)

Medium tanks

*M2 Medium Tank *M3 Lee *M4 Sherman (and variants)

Heavy tanks

* M26 Pershing * M26 Super Pershing * M6 heavy tank, M6 (Prototype) *T29 Heavy Tank, T29 (Prototype) *T30 Heavy Tank, T30 (Prototype) *T32 heavy tank, T32 (Prototype)

Tank destroyers

*M10 Tank Destroyer, M10 Wolverine *M18 Hellcat *M36 Tank Destroyer, M36 Jackson

Flamethrower tanks

* M3 Stuart, M5 Satan * M4 Sherman, Sherman Zippo

Other vehicles

Passenger vehicles

*Dodge WC series *Willys MB

Motorcycles

*Harley-Davidson WLA

Amphibious vehicles

* Landing Vehicle Tracked * M29 Weasel * DUKW

Trucks

* GMC CCKW 2½-ton 6×6 truck * Studebaker US6 * M35 series 2½-ton 6×6 cargo truck

Artillery

Infantry mortars

*M1 Mortar *M2 4.2 inch mortar *M2 Mortar

Heavy mortars and multiple rocket launchers

*T34 Calliope *T40 Whizbang

Self-propelled guns

*Howitzer Motor Carriage M8 *M40 Gun Motor Carriage *M7 Priest

Field artillery

*75 mm Gun M1917 - copy of British gun re-chambered for French cartridge, produced for export *QF 2.95-inch Mountain Gun - imported from Britain, used in Philippines *75 mm Gun M2/M3/M6 * M116 howitzer (75 mm) -also known as "75mm Pack Howitzer M1" *76 mm gun M1 * M101 howitzer (105mm) - still used in US and worldwide as late as in 2014 * M3 howitzer (105mm) * Canon de 155mm GPF * M114 155 mm howitzer - also known as M1 155 mm Howitzer * 155 mm Long Tom, M2 155 mm Field Gun (Long Tom) **4.5-inch Gun M1 - version to fire British ammunition * M115 203 mm howitzer * 8-inch Gun M1 * M1 240 mm Howitzer

Fortress and siege guns

*5"/51 caliber gun (coastal defense) *8-inch M1888 (obsolete) **8-inch Mk. VI railway gun *M1918 240 mm howitzer (obsolete) *8-inch Mk. VI railway gun *12-inch coast defense mortar (also railway version) *12-inch Gun M1895 *14-inch M1920 railway gun *16"/50 caliber M1919 gun

Anti-tank guns

*National Forge & Ordnance 37mm gun (1941) - export (to Dutch) only * 37 mm Gun M3, M3 37 mm Anti-Tank Gun * Ordnance QF 6 pounder, M1 57 mm Anti-Tank Gun * 3in Gun M5, M5 3-Inch Anti-Tank Gun *105mm gun T8 AT/AA gun (cancelled)

Anti-tank weapons (besides anti-tank guns)

*Bazooka, Rocket Launcher M1/M1A1/M9 (Bazooka) *Boys anti-tank rifle *M18 recoilless rifle *M20 recoilless rifle *M22 dodge rifle