Grindcore band from Rio de Janeiro formed around 2000, active intermittently since with a resumed presence from 2015 onward. Singing predominantly in Portuguese, their lyrics take on social and political themes — anti-war, anti-prejudice, environmental devastation — delivered over tight, blast-driven grind across releases including the demo 'Evergrind', the LP 'Ruptura', and the 2017 EP 'Infrator'.

Agroterrorism is a death metal and grindcore band from Buenos Aires, Argentina, formed in 2017 and active in the city's extreme underground scene. The band has self-released a series of EPs titled Tentacle, Muzzle, and Tusk, each maintaining the brutal and concise format typical of the grindcore genre. Their output reflects the raw, caustic energy that characterizes Argentina's death-grind underground.

Ahriman was a death metal band from Recife, Pernambuco, active from 1997 until their split-up and named after the Zoroastrian deity of darkness. Operating out of the northeast Brazilian underground, they were part of Recife's burgeoning extreme metal scene of the late 1990s.

Akraniuum is a Brazilian death metal and grindcore band active since 1992, making them one of the longer-running acts in Brazil's extreme underground. Their three-decade career places them in the same generational wave as the country's foundational extreme metal groups, combining the blasting brutality of grindcore with the riff structures of death metal.

Alavena are a crossover metal band from the Santiago area of Chile, formed in 2013, who blend thrash, speed, death metal, and hardcore influences. Their debut album It Started Here was released on February 1, 2013 through Australis Records, comprising 12 tracks that include both Spanish- and English-language songs such as "Beer Money," "El Terrible," and "Muerto en Dolor." The record is one of the early entries in Chile's crossover thrash scene of that era.

Albatros is a death metal band from San Martín, in the Buenos Aires province of Argentina, with origins tracing back to 1991 and a sustained presence across Argentina's underground extreme metal scene. The band recorded a series of demos across the 1990s and 2000s, including Caminos de Desesperación (1995), Resistir o Morir (1996), and Ni muertos, ni vencidos (2002). The current lineup centers on Fernando Saccarola on vocals and guitar, Maximiliano Salto on drums, and Maximiliano Lescano on bass.

Alien's Purger is a grindcore/death metal band from Ouro Branco, Minas Gerais, Brazil, formed in May 2021 by guitarist Marcão Mamute, vocalist Daniel Índio, and drummer Ildegrind. Their debut full-length "The Korotian's Saga" (2023), released via The Hills Are Dead Records, is a 20-track, 25-minute concept album built around the band's signature themes of aliens and cigars — absurdist subject matter delivered with blasting, no-frills grindcore brutality. The record was engineered and mixed by Bruno Bassani, who also contributed additional instrumentation to the recording.

All I Hate is a death metal duo from Sorocaba, São Paulo state, composed of Lucas Berti and Elcio Junior. Since forming in 2021 they have been remarkably prolific, releasing multiple records including 'Soulless Gods Arise', 'Manifesto', and 'Circus', carving out a stripped-down, punishing approach to the genre.

Almagor is a death metal band from Maracaibo, Zulia, Venezuela, formed in 2007, playing a brutal style that draws from both death metal and grindcore with Christian lyrical themes. The band released the EP Aborto comun in 2012 and their debut full-length Juzgados in 2014, earning recognition in Venezuela and across Latin America.