Carneross was a thrash metal band from Berazategui, Buenos Aires, whose lineup included vocalist and bassist Martín Echeniqué, drummer Alejandro Conde, and guitarists Alan González and Federico Conde. The band released two albums of aggressive Spanish-language thrash — Mass Violencia in 2012 and Religión es Muerte in 2016 — before splitting up.

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.

Carnificem is a melodic blackened death metal band from Córdoba, Argentina, formed in 2016 by members known as Murmur (lead guitar), Marbas (rhythm guitar), and Radna (bass and vocals). The band debuted with the demo Alone in the Nocturnal Mist in 2016, which included a cover of Dissection's "Unhallowed", and went on to release their full-length album Horsemen of Pandemonium in November 2023.

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.

Carnified is a death/black metal band from Salvador, Bahia, Brazil, originally formed in 1994 and revived around 2020–2021. The band builds its conceptual lyrics around a fictional world called Askardem, inhabited by gods who covet the human form. Their return yielded the single "Nocturna" featuring Sarah Jezebel Deva (Cradle of Filth, Therion) and the 2022 EP "Carnage for the Gods."

Carniçal is a death/thrash metal trio from Nova Odessa, São Paulo, Brazil, formed around 2019–2020 by Matheus Castilho (guitar/vocals), Felipe Rocha (drums), and João Paulo (bass). The band released their debut album "Inquisição Espiritual" in 2020, followed by a second album "Meia Noite" in 2023, both recorded independently.

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.

Carnopraxis is a brutal death metal band from Oberá, Misiones, formed in 2013 by Oscar Rivarola (vocals), José María Verón (guitar), Diego Duarte (bass), and Martin De Lima (drums). The band released their debut album Tortura Mental in 2013 and followed it with Obsessive Human Depravity on Grinder Cirujano Records, establishing themselves as one of the more notable extreme metal acts from Argentina's Misiones province.

Carnívoro is a groove/death/thrash metal band from Boa Vista, Roraima, Brazil, one of the few extreme metal acts to emerge from that northern state. The band plays original extreme metal blending thrash and death metal influences, with the single "Panorama de Aço" showcasing their hybrid of aggressive rhythms and heavy riffing.