Hauser is a death metal and grindcore band from Jaraguá do Sul, Santa Catarina, Brazil, formed in 2011. Drawing influence from national acts like Are You God? and Test alongside international names such as Nasum and Rotten Sound, the band channels raw hardcore aggression into a brutal grindcore framework. Their releases include the 2019 album Messias and the 2020 album Cinza, the latter described as ten tracks of visceral, explicit grindcore.

Herege is a death metal/grindcore band from Iúna, Espírito Santo, Brazil, formed in 2016. Their debut album Terra Morta, released in 2016 through Cemitério Records and Cold Art Industry, packs 18 tracks of aggressive grind drawing on influences like Napalm Death, Terrorizer, and Autopsy. The band features Davi Ambrósio on bass and vocals, Everton Oliveira on guitar and vocals, and Juliano Freitas on drums.

High School Massacre is a death metal and grindcore band from Curitiba, Brazil, formed in 2011 by Marcelo Mattos and Weliton Lisboa with the explicit aim of writing fast, short songs in the death/grind style. The band self-released a six-song demo in 2012 and followed it with the EP Alienation, recorded at Avant Garde Studio; vocalist Larissa Pires is known for her powerful guttural delivery.

Homeostase is a Brazilian grindcore band formed in 2022. They released their debut EP A Procura de Material Humano in August 2022, a six-track effort with tracks including Fase Terminal, As Viudas de Nagasaki e Hiroshima, and Progresso do Regresso.

Homúnculo is a death metal and grindcore band from Rio de Janeiro, Brazil, active since 2004. The band has appeared on Brazilian grindcore compilations, contributing tracks such as "O Jardim," "A Resposta," and "Nos Somos A Violencia" to the Horrendous Grindcore Freak Compilation series.

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.

Horrorterror is a death metal and grindcore band from Medellín, Colombia. The band released a self-titled EP and participated in multiple splits in 2020, including the four-way split Aberraciones Sonoras and the three-way split Síntoma de un País en Guerra alongside Anger Blast and Rotten Noise.

Human Meat Grinder is a one-person death metal and grindcore project from São Paulo, Brazil, created by Rafael Douglas. Their debut EP Matadouro (December 2021) blends death metal and grindcore with sociopolitical lyrics documenting the catastrophic social and political conditions faced by Brazilians, with all tracks written, recorded, and mixed by Douglas at home.

Human Misery is a deathgrind band formed in 2021 in Piedecuesta, Colombia. The band released the demo Corrosión del orden in 2022 followed by the demo Torned Apart in 2023, and appeared on the split compilation Grindcore (Isn't) Mediocre in 2024.