Austral is a black metal band from Santiago, Chile, formed in 2018, whose lineup features vocalist Matías Briones (aka Zaitham Iscariote), guitarists Blackterium and Maleficarvm, bassist Terrorwielder, and drummer Invokker. The band released their debut full-length, the sprawlingly titled Pestilential Souls Falling into the Endless Vortex of Misery, in 2018, drawing on themes of mysticism and spiritual corruption.

Australes Tenebris was a black metal band from Erechim, Rio Grande do Sul, Brazil active between 2013 and 2017, whose name evokes the southern darkness of their home region. They released a demo — "Quando Uiva o Minuano" (named after the cold pampas wind) — and the full-length "Reflections of a Decadent Life" (Sunset Light Records), exploring themes of philosophy, misanthropy, madness, and decay before dissolving in 2017.

Autism Forest is a one-person black metal and dungeon synth project from Buenos Aires, Argentina, created by the musician known as Avgrund. The project is prolific in releasing lo-fi atmospheric material, with titles including Arcane Nature, Thalassophobia, and the Dreams of Pelpiland series, as well as the 2025 EP Doppelganger.

Autofobia was a black metal band from Ancud, in the Los Lagos region of southern Chile, active and split-up in 2012. During their brief existence they released two recordings — the EP Misantropía and a self-titled demo — both exploring themes of misanthropy, depression, and anti-Christianity.

Avernus was a black metal band from Belo Horizonte, Minas Gerais, Brazil, active from 1993 until their split. Emerging from the same fertile underground that produced Sarcófago and Sepultura, the band operated in the raw, uncompromising vein of Brazilian black metal during the 1990s, contributing to one of South America's most distinctive extreme metal scenes.

Avolia is a black metal act from Joinville, Santa Catarina, Brazil, formed in 2025. Their debut album Falls Upon the Earth, released in January 2025, delivers atmospheric and misanthropic black metal built around themes of apocalypse, esoteric mythology, and existential collapse — referencing Hyperborean imagery alongside relentless nihilism. A second album, Vazio, Mórbido, Sem Vida, followed later the same year, marking them as one of Brazil's more prolific new black metal voices.

Avuytor is a black metal project from Ubá, Minas Gerais, Brazil, formed in 2021. Extraordinarily prolific for a relatively new band, they have released a string of albums on Bandcamp including The Black Age, Adffectus Tenebris, Transcedental, and Gólgota – O Lugar da Caveira, exploring dark and spiritual themes across a body of underground raw black metal.

Awake the Mighty Dragon is an epic black/doom metal band from Uberlândia, Minas Gerais, Brazil, with roots stretching back to 1998 before a reunion in 2017. Their 2020 compilation Lord of Oblivion collects their 1999 demo The Original Sin alongside material recorded between 2017 and 2019, showcasing a sound that blends raw black metal atmosphere with lengthy, doom-laden compositions and occultist lyrical themes.

Ayperos was a black metal band from São Paulo, Brazil, active from 1994 to around 2021. The band took its name from the demonological Prince of Hell said to command thirty-six legions of demons, and their lyrical themes orbited occultism, Satanism, and Luciferian philosophy. They remained an underground independent act throughout their career, releasing material that adhered to classic second-wave black metal aesthetics.