Caosamorts is a thrash/death metal band from Campinas, São Paulo, Brazil, formed in 2014. Drawing influence from acts like Slayer, Carcass, Napalm Death, and Brazilian legends Dorsal Atlântica, they write Portuguese-language lyrics centered on themes of war, corruption, violence, and intolerance. The band has released demo material available on Bandcamp.

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.

Caporal is a heavy metal band from Campana, Buenos Aires province, formed in 2016. Their self-titled debut album, released the same year, features eleven tracks including "Navegante", "Las Ruinas Circulares", and "Psicosis", showcasing a traditional heavy metal approach rooted in the Buenos Aires province underground scene.

Carahter is a doom/sludge/post-metal band from Belo Horizonte, Brazil. The band blends slow, heavy sludge with metallic and hardcore elements, recorded at Minério de Ferro Studios in Belo Horizonte, and have released music including the album "Ripping Flags" available on Bandcamp. They have toured South America and performed at festivals in São Paulo, Belo Horizonte, and Santiago, Chile.

Caravellus is a progressive/power metal band from Recife, Brazil, founded around 2002 by guitarist Glauber Oliveira as a studio project blending heavy metal with Brazilian folk influences such as maracatu, frevo, and ciranda. The band released their debut album "Lighthouse and Shed" in 2007 and followed with "Knowledge Machine" in 2010, distributed across Brazil, North America, Europe, South Korea, and Japan. Their 2022 album "Inter Mundos" features drummer John Macaluso (Ark, Yngwie Malmsteen) and draws on progressive metal influences in the vein of Dream Theater, Symphony X, and fellow Brazilians Angra.

Carbonizer was a thrash metal band from Natal, Rio Grande do Norte, Brazil, formed in 2013 and active until around 2017. The four-piece independent act released the EP "Nuclear Moon" in May 2016, delivering a raw, aggressive sound rooted in classic thrash with lyrical themes covering religion, violence, and war.

Carcará is a thrash metal band from Fortaleza, Ceará, Brazil, tracing their origins to 2007 under the banner "Horda Carcará." The independent act plays infernal thrash metal rooted in the aggressive 1980s tradition of heavy, thrash, and death metal, and has been an active presence in Fortaleza's underground metal scene.