Human Meat Grinder is a Buenos Aires-based slam and brutal death metal project formed in 2023, driven primarily by multi-instrumentalist Vera Arianna Stork with Lord Swine contributing vocals. The band released their debut full-length "Relentless Human Nullification" in March 2023 and followed it with the EP "INHUMAN" in February 2025.

Human Plague is a death metal band from Santa Maria, Rio Grande do Sul, Brazil, formed around 2013. The band released their debut recording Marching Through the Fields of Desolation in December 2013, followed by the full-length Black Death, and the compilation Harvest of Hate in November 2019, which compiled material recorded between 2014 and 2019.

Human Stench was a crust/death metal/grindcore band from Uberlândia, Minas Gerais, Brazil, active from 2016 until their split. The band released the promo cassette Perspective of Displeasure in November 2017, recorded earlier that year, featuring eight tracks of lo-fi noise-inflected crust grind.

Humanal is a progressive groove metal band from Curitiba, Paraná, Brazil, formed in 2016, featuring vocalist Tati Klingel alongside guitarists André Lazzaretti and Rafael Barcellos, bassist Mauricio Escher, and drummer André Preto. Their debut full-length album Delirium, released in August 2025, spans ten tracks addressing themes of mental health, addiction, oppression, and technology, with Klingel also serving as the album's producer.

Humanicidio was a thrash and heavy metal band from Rosario, Argentina, whose lineup included David Sanchez on guitar and vocals, Nicolás Sanchez on lead guitar, Franco Mena on bass, and Diego Forteaga on drums. The band released a four-track demo in May 2016 and a self-titled album in 2018 before splitting up.

Humanimal is a melodic power metal band from Buenos Aires, Argentina, originally founded in 1992 with vocalist Juan Soto and core guitarists Pablo G. Soler and Mariano Mazzei, and later reformed. The band released the full-length album "El camino de los sabios" in 2002 and contributed tracks to multiple Argentine metal tributes, including "Maténlos a todos — Tributo argentino a Metallica" in 2003.

HumanMeatGrinder was a one-man goregrind and crossover project from Barretos, São Paulo, formed in 2021 by Rafael Douglas. The project blended death metal and grindcore with politically and socially charged Portuguese-language lyrics, debuting with the EP Matadouro (December 2021), recorded at home with limited resources. A second release, Instrumento, followed before the project dissolved.

Huszar is a one-man progressive post-black metal and ambient project from San Antonio de Padua, Buenos Aires Province, Argentina, formed in 2015. The project released the full-length "Los Nuevos Absolutos De Todos Los Días Quemados" in October 2016 and its sequel "Los Nuevos Absolutos: Acto Segundo" in February 2017, and also contributed to a split release with Youth Against Christ in 2017.

Hutt is a grindcore and death-thrash trio from São Paulo formed in 2002, comprising Appezzato on vocals, Leandro on guitar, and André on drums, with the band name taken from Jabba the Hutt of Star Wars. The band has built a discography spanning six releases, including the albums Horror³, Monstruario, Apocalipster (2017, via Black Hole Productions), and Maldicto (2019), all featuring short, ferocious songs with Portuguese lyrics addressing social themes. Their sound draws on classic grindcore acts such as Napalm Death alongside death metal influences in the vein of Morbid Angel.