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.

Animus Necandi is a thrash metal band from Salvador, Bahia, Brazil, drawing from the aggressive, fast-picking tradition of Brazilian thrash metal. Originally active from 2004 with a 2005 demo titled "Bloody World," the band later resumed activity, representing the thrash underground of Brazil's northeastern capital.

Aniron is a symphonic gothic metal band from Buenos Aires fronted by soprano vocalist Bárbara Rossi, whose lyrical singing is the defining element of the band's sound. The project coalesced around guitarist Diego Mancilla and keyboardist Julio Sotelo before Rossi joined, and the band released their debut EP Concealed Within in July 2013. The name Aniron is taken from Elvish, meaning "I desire."

Ankh is a heavy metal band from Porto Alegre, Rio Grande do Sul, one of Brazil's most prolific metal cities. Active since the mid-1990s, the band has gone through several lineup shifts over the years while maintaining a traditional heavy metal approach. Their lone documented studio recording is the 2005 demo "Rest in Peace."

Ankhalimah was a symphonic power metal band from Niterói, Rio de Janeiro, founded by Guilherme Klausner and Yuichi Inumaru. The band crafted conceptually ambitious material drawing on Egyptian hermopolitan mythology, the Silmarillion, and Jewish Kabbalistic mysticism — even incorporating Quenya lyrics in their choral arrangements. They released a self-titled album in 2013 before disbanding.

Ankt is a black/doom metal duo from São Paulo, Brazil, whose slow-burning approach fuses the abrasive texture of black metal with the crushing weight of doom. The project released its self-titled debut album in 2017 after a four-year gestation period, comprising eleven tracks that established their murky, oppressive sound.

Anmod is a brutal death metal and grindcore trio from Curitiba, Paraná, operating in the self-described "death-grinder" tradition. Comprising Johnny R.R. on drums, Hernan on bass and vocals, and Alex W.A. on guitars, the band grew out of the ashes of Fornication and has released at least two full-lengths: "Monstrosity per Defectum" and "Inner Upheavals."