Inculpatory was a death metal band from Concepción, Chile, whose lineup included vocalist Gonzalo Novoa, guitarist Camilo Bustos, drummer Gabriel Jara, and bassist Francisco Nocetti. The band released their debut EP Instinto Asesino in March 2014, a three-track recording featuring Spanish-language tracks with horror and extreme metal themes.

Industrial Noise is a grindcore and death metal act from Presidente Prudente, São Paulo, Brazil, with roots going back to 1994 and activity continuing through several periods into the present era. The band appeared on the No Fashion HC Records compilation "O Progresso da Regressão" (2000) with the track "Padrões de Cultura," and has released material through Cianeto Discos.

Infamous Glory is a death metal band from São Paulo, Brazil, with roots tracing back to 1999 and a discography spanning three demos, three EPs, two splits, and the full-lengths "Deathstrike Revenge" (2010), "Bloodfeast" (2013), "An Ancient Sect of Darkness" (2019), and "Algor Mortis" (2024). The band draws influence from old-school and Scandinavian death metal, and has shared stages with notable acts including Dismember, Krisiun, and Voivod.

Infectious Offerings was a brutal death metal band from Belo Horizonte, Minas Gerais, Brazil, formed in 2008. The band self-released their debut recording "Intense Desire to Kill" the same year, a two-track offering featuring the title track and "Homicidal Temptations." Their lyrical themes revolved around murder, misanthropy, and slaughter in the tradition of the Brazilian brutal death metal underground.

Infector is a death metal band from São Vicente, São Paulo, Brazil, founded in 2000 on the Violent Records label. The band has released multiple full-lengths including "Anguish" (2011) and "Insane Deliriums," and have contributed tracks to several Brazilian metal compilations including the Endless Massacre series (2005–2012) and multiple Gulpian Metal Fest volumes. Their sound addresses themes of death, darkness, and inner turmoil.

Infector Cell is a thrash/death metal band from Cotia, São Paulo, Brazil, playing a fast and aggressive style rooted in the Brazilian underground scene. Their debut full-length album, Cultura Suicida, was released in 2017 through Psicose Records and features ten tracks of high-velocity riffing and pummeling drums. The band returned in 2025 with a second album, Sintam a Nossa Vingança, continuing their output in the Brazilian extreme metal circuit.

Infektus was a death metal band from Timbó, Santa Catarina, Brazil, driven by vocalist and bassist Boris Girardi alongside guitarist Nelson Floriani. The band released a promotional demo titled Devastation in 2005, establishing themselves within the underground death metal scene of southern Brazil. After an extended hiatus the band briefly reunited in 2019 for a live tribute concert at Malária's Metal Fest 3 in their home city.

Inferis is a death metal band from Santiago, Chile, formed in 1998 around guitarist Gonzalo Riveros and a rotating lineup that has included members such as vocalist Rodrigo Manzor and drummer Mauricio Castillo. The band released their debut album In the Path of Malignant Spirits in 2007 through Polish label Old Temple, followed by Obscure Rituals of Death and Destruction in 2013, building a catalog of satanic, blasphemous death metal over their two-decade career.

Infernizer is a thrash/death metal project from Caruaru, Pernambuco, Brazil, conceived during the pandemic by Alex Morais, also known from the band Storms. The project released its debut EP Pandementia in 2022, featuring four tracks that draw on thrash, death, black metal, and hardcore influences, with themes addressing pandemic chaos, denialism, and social decay. A second EP, Odiocracia, followed in 2025 with five tracks recorded with producer Daniel Farias.