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.

Infectai is a speed/thrash metal and crust band from Florianópolis, Santa Catarina, Brazil, formed in 2012 by André (vocals), Murilo (drums), Aranha (guitar), and Sapo (bass). Drawing on the raw energy of 1980s punk and metal, the band writes music with explicitly critical content targeting contemporary economic and social systems. Their self-titled EP, released in October 2012, contains four tracks including "Frutos de Um Problema Social" and "Escravo do Inferno."

Infected Cells is a death/thrash metal band from Simões Filho, Bahia, Brazil. The band released their debut EP "Voices from the Hell" in 2018, recorded between 2015 and 2017 at WR Bahia Studios in Salvador, Bahia; the seven-track EP was later released on cassette in 2022. They followed it with the EP "This Is the End" (2020) and a live album documenting their appearance at Dopesmoke Festival in 2021.

Infected Mind was a death/thrash metal band from Campina Grande, Paraíba, Brazil, signed to the InfernalFox label. The band recorded their album "Rascals of Destruction" at Ponto Som Studio in Campina Grande, which includes a live bonus track — a cover of Black Sabbath's "Into the Void." Their lyrical themes centered on social issues and injustice.

Infected Morchirium is a black metal band from Maringá, Paraná, Brazil, formed in 2023, featuring Ghvme on vocals, Chicxvlvb on guitar, and Danilo Campaner on drums. The band released their debut album "Luciferum" on December 1, 2023, a nine-track record produced and mixed by Danilo Campaner with cover art by Roberta Maria Fernandes. Lyrically the album engages themes of antifascism, anti-colonialism, and opposition to religious hypocrisy, placing the band within the Red and Anarchist Black Metal tradition.

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.