Alien Militant

🎸 Experimental Noise/Grindcore/Black Metal

🌍 Italy

Alien Nation

🎸 Heavy Metal

🌍 Germany

Alien on My Mind

🎸 Melodic Progressive Metal

🌍 Germany

Alien Possession

🎸 Speed/Thrash Metal

🌍 Netherlands

Alien Power

🎸 Heavy Metal

🌍 Germany

Alien Queen

🎸 Death/Doom Metal

🌍 United Kingdom

Alien Scream

🎸 Thrash Metal

🌍 Indonesia

Alien Skies

🎸 Sludge/Doom Metal

🌍 Australia

Alien Sleeper Ships

🎸 Doom/Stoner Metal

🌍 Poland

Alien Squad

🎸 Thrash Metal/Punk

🌍 Portugal

Alien Steel

🎸 Heavy Metal

🌍 Spain

Alien Strange

🎸 Melodic/Progressive Metal

🌍 United States

Alien Syndrome 777

🎸 Avant-garde Black Metal

🌍 Italy

Alien to the System

🎸 Groove Metal/Metalcore

🌍 Germany

Alien Usurper

🎸 Brutal Death Metal

🌍 United States

Alien's Purger

🎸 Grindcore/Death Metal

🌍 Brazil

Alienacja

🎸 Crust/Grindcore (early); Death Metal/Grindcore (mid); Deathcore (later)

🌍 Poland

Alienante Damnation

🎸 Black Metal

🌍 Belgium

Alienar

🎸 Progressive Metalcore

🌍 Argentina

Alienated

🎸 Heavy Metal

🌍 Germany

Alienated

🎸 Brutal Death Metal

🌍 Indonesia

Alienation

🎸 Thrash Metal (early); Groove Metal (later)

🌍 United States

Alienation

🎸 Death/Thrash Metal

🌍 Chile

Ali​é​nation

🎸 Post-Black Metal/Shoegaze

🌍 Germany

Aliénation

🎸 Black Metal

🌍 Belgium

Alienation Cold

🎸 Atmospheric Black Metal

🌍 Russia

Alienation Mental

🎸 Technical/Experimental Brutal Death Metal/Grindcore (early/later); Death/Groove/Nu-Metal (mid)

🌍 Czechia

Alienation Mentale

🎸 Black/Death Metal

🌍 France

Alienations

🎸 Progressive/Thrash Metal

🌍 Russia

Alienatör

🎸 Sludge Metal

🌍 Canada