Canis Lupus is a black metal band from São Paulo, Brazil, currently on hold. The band's lyrical themes revolve around anti-religion, philosophy, and paganism, and they have released two EPs — "Join the Pack" and "Burn Again" (2014) — showcasing a raw, traditional black metal approach. Their music is available on Bandcamp under the handle canislupus666.

Capgrass was a black metal band from Buenos Aires that released their debut EP Reflections in June 2014, a six-track recording produced and mastered by Fernando Muiños with drum collaboration from Manuel Matarasso. The band operated within the underground Buenos Aires black metal scene before splitting up.

Capiroto is a black metal band from Rio de Janeiro, Brazil, formed in 2021. The band plays raw, aggressive black metal with lyrical themes of vengeance, diabolism, violence, and chaos, and released the EP "Pentagrama Tenebroso" in May 2023, recorded at Umbralian Studios in Rio de Janeiro.

Capita Septem et Cornva Decem is a black metal band from Santiago, Chile whose track and album titles are rendered entirely in Roman numerals referencing chapters and verses from the Book of Revelation. Their debut album XIII: I-XVIII, released in April 2018, consists of six tracks spanning nearly 48 minutes of dense, unhurried black metal.

Carnage Valley was a death/black metal band from Belém, Pará, Brazil, documented on Encyclopaedia Metallum as a split-up act. The band was associated with Vampiria Records and focused on themes of destruction and death within the extreme metal underground of northern Brazil.

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."

Carpatus is a black metal duo from Santo André, São Paulo, Brazil, with roots going back to 1999 and currently active in their second period. The band is signed to Black Lion Records, which released a full-length in 2017, and the duo also appeared on the Black Lion compilation "Afterlife in Darkness Part I" in 2019. Their lyrical themes center on desolation and existential pain.

Castración is a solo project by Santiago-based artist Lucero Guerra, active from 2018, blending raw black metal, harsh noise, and power electronics under the conceptual framework of the body as an instrument of war. The project released Terrorismo Corporal (2018) and Regímenes Carnales (2019), the latter issued as a limited handmade cassette through Octavo Canto, with themes drawn from biopolitics, queerness, and state violence.

Castrivenian is a Brazilian raw black metal project formed in 2024, drawing clear inspiration from the European second-wave scene of the mid-to-late 1990s, particularly early Satanic Warmaster, early Marduk, and Moonblood. In their first year the project released two demos — S.H.T.I. (April 2024) and Eternal Fog's Rebirth (2024, with a cassette release through Wolfkult Religion) — plus a split, demonstrating rapid and prolific output rooted in a harsh, orthodox black metal aesthetic.