Horda Profana is a bestial black/death metal band from Munro, Buenos Aires, formed in late 2013 by Necromansy (vocals), Lord Nebiros (guitar), Hassthar (bass), and Funeris (drums). They released the full-length Fornicators of Jesus Christ in 2016 and Beyond the Boundaries of Death in 2019 through Sons of Hell Productions, drawing comparisons to Archgoat and Beherit.

HordaWRX is a black metal band from São Paulo, Brazil, formed in 2023. They released their debut album "Sombrio & Oculto" in May 2023, a seven-track record featuring songs such as "VerdadeiroMal," "HordaNegra," and "ChamadoDaLuaNegra."

Hordes of Wrath is a one-man death/black metal project from Porto Alegre, Rio Grande do Sul, Brazil, active since 2020 under the sole authorship of Necro Tyrant. The project has released a steady stream of material including "Satanic Abominations" (2020), "We Are At War" (2021), and "Black Hordes" (2023).

Horned God was a death metal band from São Paulo, Brazil, originally formed in 1998 under the name Sacrifice before adopting their definitive name in 2000. The band released their debut album "Absit" in 2001 on Tumba Records, followed by "Chaos, Bringer of All Revelations" in 2003 on France's Listenable Records, and toured alongside Krisiun, Cannibal Corpse, and Monstrosity before splitting up.

Horns of Venus were a metalcore and death metal band from São Paulo, Brazil, formed in 2009 and active until their split. They released two full-length albums: "For the Pressure We Bring" (2009) and "We Are Not Buying Your Shit" (2011), the latter recorded at Bimini Studio in Jundiaí and Master Blaster Studios, blending death metal, grindcore, and melodic hardcore influences across 14 tracks.

Horny for Blood were a crossover thrash band from São Paulo, Brazil, formed in 2013. They released the eight-track EP "Vomithrash" in December 2013, a fast-paced collection drawing comparisons to acts like D.R.I. and Brazilian hardcore legends Ratos de Porão, with Portuguese-language songs covering topics ranging from urban life to social commentary.

Horrendum Vermis is a death metal band from Bahía Blanca, Argentina, formed in 2014 by Matias Carrasco (guitar/vocals), Marcos Lacalle (drums), and Diego Genes (bass). They have released four studio albums — Portals to Horrific Pandemonium (2016), Rites of Invocation to the Ancients (2018), Cvlt ov Malignant Entities (2021), and Temple ov Morbid Divinities (2025) — as well as the live album Testimonials of Al-azif (2020).

Horrificia are a grindcore and death metal band from Rio de Janeiro, Brazil, featuring a dual-vocal lineup of Valdo and Marcelo Uchôa alongside guitarist Bruno Moraes, bassist Vinícius Cassemiro, and drummer Erick Fryer. The band released a split with Raped Bitch through Disturbed Mind Records, a UK-based extreme metal label, with the release categorized across grindcore, death metal, goregrind, and noisecore.

Horror Chamber are a death metal band from Canoas, Rio Grande do Sul, Brazil, featuring vocalist/bassist Guilherme Lannig, guitarists Felipe Pujol and Fabricio Bertolozi, and drummer Tiago "Thorvald" Von Groll. The band debuted with the EP "The Devil Has No Face" (2009) and have since released three full-length albums: "Eternal Torment" (2016), "Thoughts: The Slow Decay" (2019), and "With Fire, Despair" (2024), the latter released through Rapture Records.