Cremasma is a black metal band from Sumaré, São Paulo, Brazil, originally active from 2012 to 2014 before reforming in 2023. The band plays raw black metal with anti-Christian and misanthropic themes, and released a demo in May 2023 as an independent digital release.

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".

Cremator is a thrash/black metal band from Derqui, in the greater Buenos Aires province of Argentina, active within the Argentine underground metal circuit since 2013. The band appeared on the "Legion Thrasher Compilation - Argentina Thrash Metal Underground Vol. I" released by Overflesh Records in a limited hand-numbered edition of 250 cassettes, sharing space with acts including Tungsteno, Prozak, and Ammentia.

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.

Crente is an extreme metal band from João Pessoa, Paraíba, Brazil, formed around 2022–2023 by members including Juan Apolinario (ex-Insecticida) and Marciel Argentina (Tiranicídio). The trio blends death and thrash metal under the sardonic self-description of "extreme gospel music," and released the compilation album Analects in October 2023, collecting their recorded output up to that point.

Creptum is a black metal band from São Paulo, Brazil, formed in 2003 after operating briefly as Nekros. Signed to Drakkar Productions South America, the band released their debut full-length Of Lies, Curses and Blood in 2016, followed by the EP Reborn in Flames (2017) and the sophomore album VAMA in 2020, a nine-track record drawing on occult and literary themes.

Crime is a duo from Santiago, Chile, whose sound draws equally from classic rock 'n' roll acts like Rose Tattoo and Motörhead and '80s punk. The band released their debut EP "First Crime" through German underground label Dying Victims Productions in 2018, followed by the "Wrong Woman Demo LP" in 2024.