Hass is a black metal project originating in Joinville, Santa Catarina, Brazil, formed in 2001 by the solo musician Enmys. The band has built an extensive catalogue of raw black metal releases, including the albums Unmoralisch Black Metal (2003), Unprocessed Dementia (2011), and Applause (2013), with activity continuing through subsequent years.

Hastio is a black metal and punk band from Buenos Aires that formed in 2015, playing short, raw tracks typically under two minutes. They released the SATVRNALIA EP on December 24, 2016, recorded at Electric Chesterland Studios, followed by their self-titled album on January 6, 2019, recorded and mixed at Estudios Del Valle by Nahuel Martinez. The self-titled album features seven tracks including "Combate," "Yog Sothoth (El señor de la galaxia)," and "Los ojos eternos."

Hate Embrace is a death metal band from Camaragibe, Pernambuco, Brazil, formed in 2008. Their 2014 album Sertão Saga, released on Insane Records, is a conceptual work organized in three acts drawing on the history of the legendary northeastern Brazilian outlaw Lampião, blending death metal with regional folklore and lyrics sung entirely in Portuguese.

Hate Gods is a Brazilian black metal project formed in 2021, working in the depressive and suicidal black metal style. The band released multiple recordings in its debut year, including the album Noctívago Autocídio Lucífugo and the EP Condescendência Extinta, both issued in 2021 through their Bandcamp page.

Hate in Blood is a death metal trio from Posadas, Misiones, Argentina, formed in 2022 by vocalist Pablo Lopez, guitarist and bassist Ariel Romero, and drummer Martin Romero. Their debut EP Internal Torment was released on December 17, 2022, recorded by Sergio March and mixed and mastered by Francis Jakob, featuring five tracks including "Death Monarchy," "One Thousand Worms," and the title track.

Hate Spectrum is a solo thrash metal and deathcore project from Rio de Janeiro, Brazil, founded in 2022 by Eder Santana, a former member of Gangrena Gasosa. The project released the full-length album Egotrip in January 2023, a 13-track record preceded by several singles released throughout 2022.

Hateclash is a thrash metal band from Antofagasta, Chile, playing fast, aggressive street thrash in the tradition of crossover and metal punk. The band released their debut demo in 2008, followed by the EP "Enraged Facing the Outside" in 2009 and the full-length "Daily Shit" in 2019.

HateFall is a heavy metal band from Curitiba, Paraná, Brazil, formed in 2011. The band released their debut EP Light & Fire in February 2018, a seven-track release that established their traditional heavy metal sound and was followed by work toward a planned debut full-length.

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.