Carcinosi is a death metal band from Porto Alegre, Rio Grande do Sul, Brazil, active since 1996 with reunions across multiple periods. The band self-released their debut demo "Transfigured in Cancerous Atrocities" in 1998 and continued releasing material including the full-length "Resumption" in 2019 via True Metal Records, with founding member Tiago Vargas (bass/vocals) as a consistent presence throughout their history.

Carnage Hell is an independent death metal band from Uberlândia, Minas Gerais, Brazil. The band explores themes of war, death, and destruction, and distributes their music through Bandcamp.

Carnal Atrocity is a death metal/grindcore duo from São Paulo, Brazil, formed in 2020 and comprising Karine Campanille (vocals, guitar, bass, synths) and Emiliano Borges (drums). The band released their debut album "Degenerescência" in June 2020, recorded at Estúdio Mitra and mixed at Crossroads Studio in São José dos Campos, São Paulo.

Carnal Blasphemy is a death metal and grindcore band from Bogotá, Colombia, formed in 2005 and currently signed to Gore House Productions. They released their debut full-length Liars Made Authority in 2015 and have remained active in the Colombian extreme metal underground, with appearances on compilations including Extreme Magazine's Colombian Metal sampler series.

Carnicero is a death metal/grindcore band from Jundiaí, São Paulo, Brazil, catalogued on Encyclopaedia Metallum as a split-up act. The band's lyrical themes encompassed horror, subconscious depravity, death, and atheism, situating them in the tradition of São Paulo's extreme underground scene.

Carnificina is a death metal band from Ibiraiaras, Rio Grande do Sul, Brazil, registered on Encyclopaedia Metallum as an active independent act. The band explores themes of gore, splatter, and death, contributing to the extreme metal underground of Rio Grande do Sul state.

Carniçaria is a death metal band from Porto Velho, Rondônia, Brazil, active and signed to the MS Metal Agency Brasil roster. The band released their debut EP "Carne Moída" in 2018, which is available on major digital platforms.

Carvakas is a death metal band from Santiago, Chile formed around 2010–2012, whose name derives from the ancient Indian materialist philosopher Carvaka — a choice that reflects their commitment to philosophical, non-supernatural lyrical themes. Their four albums — Stultifera Navis (2013), Anti-Platonic Machinery (2015), Flesh Over Bones (2018), and Casus (2022) — combine technical riffing and polyrhythmic structures with progressive elements, each record conceptually grounded in a distinct philosophical tradition.

Cenagal is a thrash metal band from Quilpué whose debut demo, released in August 2018 through Valparaíso distro Los Restos Dela Esfera, announced a sound shaped by classic extreme thrash forebears including early Sepultura, Slayer, Kreator, Pestilence, and Sodom. Their self-described "dirty and streetwise" approach grounds the band firmly in the street-level thrash tradition of the Chilean underground.