Broken Neck is a metalcore band from Punta Arenas, Chile, operating at the southern tip of South America. The band released their debut material in September 2015 as a split with fellow Punta Arenas outfit Throxic, titled "Rising the Revenge," featuring five original tracks recorded at De Pirque Producciones.

Brotherhood is a power metal band from Franca, São Paulo, Brazil, formed around 2010–2012 from the ashes of a prior band called Savior. Drawing influence from Blind Guardian, Savatage, and Metallica, the band released their debut album "Where the Gods Collide" (2011) as an independent release and went on to open for Blind Guardian in São Paulo. Their energetic, melodic approach has made them a notable act in the Brazilian power metal underground.

Brutal Abortion is a brutal death metal band from Curitiba, Paraná, Brazil. In 2024 they released the EP "Condemned to Obscurity", a three-track independent release mixed and mastered by Felipe Rosa, drawing comparisons to Suffocation, Gorgasm, and Dying Fetus. Their lyrics explore existential and philosophical themes alongside societal critique.

Brutal Abyss is a death metal band from Fortaleza, Ceará, Brazil, evolving from an earlier project known as Dry Curse. The band released their debut full-length "Misanthropic Butcher" in 2018 through Extreme Sound Records, a ten-track album praised for its quality and passion and noted for influences from 1990s bands such as Grave and Gorguts. The album received top marks from multiple Brazilian metal publications and earned the band a physical CD release distributed across Brazilian metal shops.

Brutal Annihilation is a brutal death metal and goregrind band from Cuiabá, Mato Grosso, Brazil. The band released their demo "Gore Session" in 2020, an eight-track recording featuring members performing under gore-themed aliases. Their Bandcamp page received an Album of the Day feature in August 2023, bringing wider attention to their splatter-oriented extreme metal sound.

Brutal Death was a death/thrash metal band formed in 2011 in Rio Branco, Acre, Brazil. The band operated in the underground extreme metal scene of the Amazon region before disbanding.

Brutal Masturbation is a death metal and grindcore band from the Patagonian city of Comodoro Rivadavia, Argentina, active since 2017. The band released the Aborto EP, delivering short blasts of death-grind in the tradition of South America's extreme underground.

Brutal Nativo is a death/groove metal band from Barquisimeto, Venezuela, active since 2009. The band has released two full-lengths, "Raza" (2017) and "Xapiripë" (2023), delivering a forceful blend of death metal aggression and groove-driven heaviness rooted in the Venezuelan underground metal scene.

Brutal Noise is a brutal death metal and grindcore band from Córdoba, Argentina, tracing their roots to 1993 when five musicians began playing thrash and hardcore under the name Año Negro before renaming themselves Brutal Noise in 1995. Over a career spanning more than two decades, they have released albums including Impending Rot (2000), Ripped in Half (2007), and The Worst Is Yet to Come (2016), cementing their place in Argentina's extreme metal underground.