Cuero was a heavy/power metal band from Buenos Aires, Argentina, whose lineup included vocalist Enrique Gomez Yafal and guitarist Christian Vidal. The band released a full-length album titled Heavy Metal and contributed a cover of Master of Puppets to the Argentine Metallica tribute compilation Mátenlos a todos in 2003.

Culmen is a raw black metal band from Chavín, Ancash, Peru, formed in 2022. Signed to From Deepest Records, they released their debut single in 2022 and followed it with the EP "De un soplo la creación" in 2024, exploring themes of philosophical delusions and dreams through a harsh, minimalist black metal approach.

Cult of Enthropy is an instrumental black metal band from São Paulo, Brazil, formed around 2020. The band released their debut album Embrace the Void on October 21, 2020, followed by a limited physical CD edition of 100 copies in May 2021. Their music is entirely instrumental, exploring atmospheric black metal textures without vocals.

Cult of Horror is a black/speed metal trio from Rio de Janeiro, Brazil, formed in 2015 and featuring members with ties to underground acts including Whipstriker, Apocalyptic Raids, Comando Nuclear, and Bordel Inferno. The band released their debut album Babalon Working in April 2016, recorded at Tokaia Studio in Rio de Janeiro, blending first-wave black metal rawness with Motörhead-influenced speed metal and d-beat punk rhythms. Their sound draws thematic inspiration from cult horror cinema and occultism.

Cultiveta is a psychedelic stoner metal band from Buenos Aires, Argentina, formed in 2019. Their debut release, the album Fumus Enim Omnia, appeared on Bandcamp in March 2019, showcasing sprawling, fuzz-drenched riffs rooted in the Argentine underground heavy scene.

Culto a la Malevolencia is a death/black metal band from Arica, Chile, formed in the late 2010s and active with blasphemous and anti-Christian lyrical themes. Their debut EP "In Nomine Capra," released in January 2019, draws conceptual inspiration from the Cueva de Salamanca, a Chilean site historically associated with witchcraft.

Culto de Anubis is an experimental doom metal band from Buenos Aires, formed in 2014 by guitarist and vocalist Horacio E. Sosa alongside drummer Martín González Devia and bassist Topo Armetta. The band released their debut EP La Huella De La Serpiente in October 2014, drawing on themes of mythology, history, and religion to craft a slow, heavy sound distinctly their own.

Culto Licántropo is a black metal band from Bogotá, Colombia. Signed to Sacrilegio Records, they released their debut EP "Culto licántropo eterno" in 2024.

Culto Maligno is a raw black metal band from Aracruz, Espírito Santo, Brazil, formed in 2011. Operating independently on the underground circuit, the band released their debut material "Devotos de um deus assassino" in 2011. Their approach is rooted in the abrasive, lo-fi tradition of South American raw black metal.