Huaychivo is a stoner/doom metal project from São Paulo, Brazil, created by musician and designer Marcel Vieira. The project released its debut album "The Five Agreements" in April 2016, a five-track instrumental record featuring heavy downtuned riffage rooted in the stoner and doom metal tradition.

Hugin Munin is a melodic death metal band from Santos, São Paulo, Brazil, formed in the late 2000s under the original name Gungnir before adopting their current Norse mythology-themed name. The band released the EP "Ravens Empire" and the full-length album "Ten Thousand Spears for Ten Thousand Gods" (2011), the latter receiving a perfect score of 10/10 from Brazilian metal outlet Whiplash.com. They have performed as a support act for international acts including Krisiun, Korpiklaani, and Eluveitie, and released the EP "Mountainbreaker" as the first installment of a planned trilogy.

Huinca is a folk metal band from Santiago, Chile, formed in 2001 from the remains of an earlier project called Stonehenge, blending heavy metal with indigenous Chilean musical traditions including Ngillatunes, Huaynos, and Tonadas. The band has released three albums — Huinca (2006), Sic Semper Tyrannis (2012), and América Letrina (2019) — and has toured internationally in South America and Europe, earning best-show recognition at Poland's Slot Art Festival.

Huma is an alternative post-metal band from Natal, Rio Grande do Norte, Brazil, with a lineup that includes vocalists, dual guitars, bass, drums, and synth. Their 2025 debut album Afronta, recorded at EMUFRN and Black Hole Studio in Natal, blends doom and post-metal textures with Portuguese-language lyrics and features a Lana Del Rey cover alongside five originals.

Human Abomination is a death metal band from Belo Horizonte, Minas Gerais, Brazil, active since 2018. The band released their Promo 2018 in July of that year, featuring the tracks "Joys of Mass Murder" and "Process of a Methodical Extermination", and followed it with a subsequent full recording titled Ressurgindo Pós Caos documented in the Metal Archives.

Human Annihilation is a brutal death metal band from Valencia, Venezuela, formed in 2018. The band has released the 2018 EP "Buried Alive" and the 2020 EP "War Inside", delivering brutal death metal rooted in themes of aberrations, madness, and the human condition. They remain independent and active on the Venezuelan extreme metal underground.

Human Atrocity is a death metal band from Brasília, Distrito Federal, Brazil, formed in 2013. The band has maintained an active presence in the Brasília metal underground, with their discography documented in the Metal Archives under the Shattered Dreams Productions label.

Human Behavior is a melodic death metal band from Santiago, Chile, featuring guitarists Rodrigo Cuello and Claudio Cárcamo, bassist Pablo Cáceres, drummer Sebastián García, and vocalist Alejandro Gómez. The band released the EP Human Life Decay in January 2018, followed by the full-length Suicide of Computing Madness in 2020, a concept album exploring the social impact of technological advancement recorded at Orange Studios.

Human Hate was a downtuned sludge doom hardcore trio from Jundiaí, São Paulo, Brazil, featuring Thales Gory on guitar, bass, and vocals alongside Davi on vocals and ET on drums. The band released the live EP Eternal Torture - Doomed and Live in August 2019, recorded at Sotão Estudio, before splitting up.