Anglachel was a traditional heavy metal band from Jaguariúna, São Paulo, drawing heavily from the New Wave of British Heavy Metal with Iron Maiden-influenced twin guitar harmonies and dual vocals. The band released a demo in 2003 and the four-track single "Hellish Domains" in 2005, earning comparisons to Bruce Dickinson-era Iron Maiden before eventually ceasing activity.

Anguish Project is a Brazilian heavy metal band led by bassist and composer Kaô (ex-Venus), with vocalist Sergio Faga (Children of the Beast) and guitarist Denis Okuma. Their 2025 debut album "What's Believing?" was mixed by producer Roy Z and features guest appearances from musicians tied to Viper, Angra, and Dr. Sin, combining classic heavy metal songwriting with philosophical lyrical themes drawn from Freud and Schopenhauer.

Angústia was a blackgaze project from Lavras, Minas Gerais, Brazil, blending raw black metal with shoegaze textures — a combination of abrasive tremolo-picked riffs and dreamy, washed-out atmospherics. The project was active from 2009 and split up after a limited run of underground releases.

Anhaguama is a death/black metal band from Arujá, São Paulo, Brazil, formed in 2019 and operating in the underground extreme metal scene of greater São Paulo. Their music draws from the aggressive intersection of death and black metal, a tradition with deep roots in Brazil's extreme metal history.

Anhan is a depressive black metal project from Nossa Senhora da Glória, Sergipe, Brazil — a notably isolated location for the genre in the Brazilian northeast. Formed in 2014, the project released the EP "Na Escuridão" that year, working within the DSBM tradition of slow, bleak compositions and introspective, despairing atmospheres.

Anhangah is a raw black metal project from Artur Nogueira, São Paulo, Brazil, formed in 2025. The project released a demo and the single "Profecia do Caos," working in the lo-fi, primitively produced style characteristic of raw black metal with lyrics rooted in occult and prophetic themes.

Anhedonia is a black metal band from São Paulo, Brazil, signed to the American extreme metal label Maggot Stomp. Their debut album "Impudent Dominance," released in January 2026, delivers eight tracks of brutal, groove-inflected extreme metal, and sold out its limited vinyl pressing shortly after release.

Aniima was a Brazilian power metal band formed in 2024 that split up after a brief existence. Operating within Brazil's well-established power metal tradition, the project left behind a limited recorded output before disbanding.

Anima Inmortalis is a death metal band from Santiago, Chile, whose name means "Immortal Soul" in Latin. The band released the full-length album Everlasting in 2005 and followed it with the EP Understanding the Darkness in 2010 before issuing More than Just Flesh and Blood in 2011 through Australis Records, recorded at 15 Hz Studios in Santiago. Their lyrical themes explore astral concepts, philosophy, and the nature of life and death.