Agamendon are a melodic death metal band from Castrop-Rauxel in the Ruhr Valley, Germany, active since 2006, drawing from the Scandinavian melodeath tradition while injecting the industrial grit of their hometown. Nearly two decades in the scene have given them a mature command of the genre's balance between melody and aggression.

Agan are a gothic metal and heavy metal band from Rhineland-Palatinate, Germany, active since 2014, who blend the dark romanticism of gothic metal with the power of traditional heavy metal. Their sound reflects the atmospheric sensibility common to the gothic metal tradition rooted in central European aesthetics.

Aganoor delivers stoner and doom metal from Rome as of 2025, bringing hazy riff worship to the ancient capital. Their name, shared with the Italian poet Vittoria Aganoor, hints at an artistic sensibility beneath the fuzzed-out heaviness.

Aganthros combines black metal experimentation from Jyväskylä since 2022, pushing the genre's boundaries in central Finland. Their experimental approach reflects the adventurous spirit of Finland's inland metal communities.

Agares is a black metal project from Stade, Germany, formed in 2025, named after the demon duke from the Ars Goetia who commands thirty-one legions of spirits. Not to be confused with the Arizona-based DSBM project, this northern German incarnation brings infernal black metal to the banks of the lower Elbe.

Agaroth is a heavy and power metal band from Miguelturra in Ciudad Real province, Spain, formed in 2015, delivering traditional power and heavy metal from the heart of Castilla-La Mancha. The band brings the genre's melodic power and driving energy to the central Spanish plains.

Agarwean merges death and thrash metal from Kutná Hora, the Czech city famous for its Sedlec Ossuary bone church, since 2019. Their setting amid tens of thousands of artistically arranged human skeletons provides macabre context for their extreme metal.

Agasch are a Bavarian black metal band who describe themselves simply as 'German Black Metal from Bavaria,' drawing on the region's dense forests for their atmospheric sound. Their releases — including the 2020 demo Umnachtete Gestalt des Inneren Wesens, Irrlicht, Waldgeist, and Realisation der Illusion — are steeped in German-language mysticism and woodland imagery.

Agasia blends blackened sludge metal with crust punk from Turku since 2013. From Finland's former capital on the southwestern coast, they create a corrosive fusion that draws equally from extreme metal and DIY punk traditions.