Armoured Angel

🎸 Speed/Thrash Metal (early); Death Metal (later)

🌍 Australia

Armoured Assault

🎸 Thrash Metal

🌍 Canada

Armoured Earth

🎸 Metalcore/Groove/Thrash Metal

🌍 Australia

Armoured Heart

🎸 NWOBHM, Heavy Metal

🌍 United Kingdom

Armoured Knight

🎸 Heavy/Speed Metal

🌍 Chile

Armourgeddon

🎸 Heavy Metal

🌍 United Kingdom

Armourgeddon

🎸 Thrash Metal

🌍 Austria

Armourise

🎸 Heavy Metal

🌍 Australia

Arms First

🎸 Post-Metal

🌍 United States

Arms of Goro

🎸 Groove Metal

🌍 United States

Arms of Ra

🎸 Sludge Metal/Hardcore

🌍 France

Arms of the Abyss

🎸 Doom/Death Metal

🌍 Australia

Arms of War

🎸 Melodic Death/Thrash Metal

🌍 Belgium

Arms to Amen

🎸 Melodic Heavy/Thrash Metal

🌍 Germany

Arms to Oblivion

🎸 Groove Metal

🌍 United Kingdom

Armstrong Gun

🎸 Heavy Metal/Hard Rock

🌍 United Kingdom

Armum

🎸 Death Metal

🌍 Brazil

Armun

🎸 Raw Black Metal

🌍 International

Armus

🎸 Black Metal

🌍 United States

Armus

🎸 Doom Metal

🌍 United States

Armus

🎸 Post-Black Metal

🌍 United States

Army

🎸 Black/Thrash Metal

🌍 Japan

Army Corpse

🎸 Death/Thrash Metal/Grindcore

🌍 Australia

Army Forces

🎸 Thrash Metal

🌍 Mexico

Army Kaos

🎸 Death Metal

🌍 Brazil

Army of Agony

🎸 Death/Thrash Metal

🌍 Brazil

Army of Corpses

🎸 Death Metal

🌍 Israel

Army of Dagon

🎸 Doom Metal

🌍 United States

Army of Darkness

🎸 Thrash/Death Metal

🌍 United States

Army of Flying Robots

🎸 Thrash Metal/Grindcore

🌍 United Kingdom