Behead Christ was a black metal band from Santiago, Chile, active from 1998 until their split in 2021, with lyrical themes centered on blasphemy and Satanism. Their discography spans nearly two decades and includes Your Will Is Mine... Satan!!! (1999), In Your Cross! In Your Anus!, and a split release with fellow Chilean black metal act Hades Archer. They were one of the longer-running bands in Chile's underground black metal scene.

Behtria is a black metal band from Palpalá, in the Jujuy province of northwestern Argentina, fronted by vocalist Gaby and anchored by drummer Mariela. The duo are noted for their outspoken feminist stance within Argentina's metal scene, with Mariela helping to organize the Obnoxious Fest, a feminist metal festival in Palpalá, and both members regularly protesting against femicides in their city.

Bestial 666 is a black metal band from Goiânia, Brazil, with Satanic lyrical themes. The band is listed on Encyclopaedia Metallum and has since split up, leaving a short-lived but documented presence in the Brazilian underground black metal scene.

Bestial Atrocity is a satanic black metal band from Piracicaba, São Paulo, Brazil, playing a style that incorporates death metal and grindcore elements. Their 2007 demo "Odes To Satan" and the live recording "B.A.C.K. (Bestial Atrocity Creating Kaos)" document their activity during a reformed period before the band ultimately split up.

Bestialthrone was a black metal band from Caxias do Sul, Rio Grande do Sul, Brazil, formed and split up in 2024. The band pursued lyrical themes of occultism, satanism, vampirism, and death, and was released through the Dirae Tenebrae label during its brief existence.

Bestiario is a black metal band from La Rioja in the Argentine northwest, self-described as "Black Metal From the Argentinian Northwest" and centered on themes of darkness, occultism, and eternal recurrence. The band released a demo in 2019, followed by the album En los Albores del Nuevo Oscurantismo in May 2022 and the album Saturnalia. They remain active and independent.

Bio Terror are a black/thrash metal band from Chillán, Chile, operating in the tradition of South American necro metal with themes of anti-Christianity, destruction, and war. Their 2023 compilation "Blasfemia, Sodomia y Muerte," released on limited cassette through Spain's Profaner Records, gathered material from across the band's entire history alongside live recordings from a 2021 show in Talca.

Black Achemoth is a black metal band from São Paulo, Brazil, active since 2004 and focused on occult and Satanic themes. The band has released multiple albums including "Revealing the Somber Powers of Hell" (2008), "Under the Veil of Darkness" (2012), and "Ater Doctrina et Consecratio" (2014).

Black Celebration is a black metal band from Colatina, Espírito Santo, Brazil, formed in 2014. The band operates within the underground scene with lyrical themes centered on anti-Christianity, blasphemy, and war.