Creación y Muerte is a death metal band from Quito, Ecuador, formed in 2020 and rooted in old-school death metal with elements of doom-death and thrash. Their 2020 release Necrodeimos II draws on recordings made at the winter solstice, reflecting a raw and ritualistic approach to the genre.

Cremation Pyre is a three-piece thrash/black/death metal band from Santiago, Chile, active since the late 2010s. The band recorded their rehearsal session "The Flame Begins" in 2018 and followed it with their self-titled EP in September 2019, which was recorded and mixed by B. Barrantes at Necrotic Studios, featuring original material alongside a cover of Schizo's "Electric Shock".

Crematorio is one of Argentina's pioneering death metal and grindcore bands, active in Tigre, Buenos Aires since the early 1990s alongside fellow scene originators Exterminio and Scud. Their first full-length, "El Rostro de la Opresión", appeared in 1995 and established their focus on themes of social corruption and gore; the band continued releasing material across multiple active periods and issued a reissue of the album through Careless Records.

Crematorium is an active Brazilian thrash/death metal band signed to Satanic Hellbangers Records. The band has contributed to several underground compilations, including The Sound of Satanic Hellbangers Vol. III, and remains a part of Brazil's underground extreme metal circuit.

Crematory was a black/death metal band from São Paulo, Brazil, active in the early 1990s. The independent band explored Satanic themes and released rehearsal material before splitting up.

Criptum is a thrash/death metal band from Formosa, in the remote northeastern province of the same name in Argentina. The band released their album Frenético in September 2015, channeling the aggressive sounds of classic South American thrash.

Critical Terror is a thrash/death metal band from Bogotá, Colombia, formed in 2021. Drawing on themes of anti-religion and Colombian history, they released their debut demo "Renace el Terror" that same year.

Cronos N.T. is a death metal band from São Paulo, Brazil, active since 2018. The band released the single "Last Medjai" in October 2020, a track drawing inspiration from the Assassin's Creed Origins character Bayek, previewing their album "Acto Omega". They operate as an independent act within the São Paulo underground metal scene.

Crucifixion BR is a black/death metal band that originated in Rio Grande, Rio Grande do Sul, Brazil, before relocating to São Paulo. The band released their debut album "Destroying the Fucking Disciples of Christ" (2014) through Horror Pain Gore Death Productions, blending diabolic black metal with 1980s thrash and death metal influences. Their second album "Human Decay" (2021), released on Shinigami Records, featured guest appearances from Dave Ingram of Benediction and André Rod of Brazilian thrashers Attomica.