Krow is a thrash/death metal band from Uberlândia, Minas Gerais, Brazil. The band released the debut full-length "Before the Ashes" in 2009 and followed it with "Traces of the Trade" in 2012, the latter produced by American engineer Alan Douches and notable for its thematic focus on Brazilian slavery. The album draws on late-1980s and early-1990s death metal roots with a thrash punch.

Krueger is a death/thrash metal band from Campina Grande, Paraíba, Brazil, formed in 1987. The band's lineup has included Adriano Caminha on vocals and guitar, Zé Carlos on bass, and Maurício Mocardo on drums, and they released the full-length "Turn On to Death" in 2001 through Destroyer Records, recorded at Prosound Studio in Campina Grande.

Kruelty is a death/thrash metal band from Poços de Caldas, Minas Gerais, Brazil, formed in 2017. The band released a live album, "Kruelty Live in Poços de Caldas," in June 2017, featuring nine tracks including a cover of Cannibal Corpse's "Hammer Smashed Face," and later released the "Five Years of Blasphemy" full discography compilation.

Krull is a heavy/power metal band from Itu, São Paulo, Brazil, led by vocalist and guitarist Luís Domingos Krull. The band released "Metal Swords and Fire" in 2016 and followed it with "The Black Coast" in April 2018, the latter recorded and produced by Maurício "Bowie" Nogueira at Aquarela Studios in Itu, blending traditional heavy metal with viking and pagan metal influences.

Krusader is a symphonic power metal band from Jundiaí, São Paulo, Brazil, formed in 1989. The band's debut album "Angus" (2006) is a concept record based on a fantasy saga with a cult following across South America, Japan, Korea, and Italy, featuring vocalist Rick Ricci (known from fellow Brazilian act Skyscraper) alongside guitarist Paulo Soares and keyboardist Fábio Thesta.

Krushhammer is a black/thrash metal band from Belo Horizonte, Brazil, formed in 2019. The quartet — Marcel Krusher (vocals), Nekrolucifer (guitar), Alberth Desecrator (bass), and Philippe Hellish (drums) — debuted with the EP Speed Blacking Hell before releasing their first full-length, Blood, Violence & Blasphemy, in November 2022 through Helldprod Records and Iron Pegasus Records.

Kruyssen is a progressive metal band from Mossoró, Rio Grande do Norte, Brazil, led by guitarist, vocalist, and producer Israel Tenório alongside Pedro Silva (bass), Edson Estevam (keyboards/backing vocals), and Wesley Silva (drums). The band released their concept album Metanoia in February 2023, a record whose lyrics address life, human values, and personal transformation. The album's single "Mist" received a music video and was made available across all major streaming platforms.

Kryour is a melodic death metal band from São Paulo, Brazil. Their debut album Where Treasures Are Nothing, released on June 5, 2019 and recorded at Hard Base Studios with producer Diego Castro, is a conceptual work tracing the arc of a life from birth to death through its lyrics and song sequence.

Krystal Tears was a melodic heavy metal and hard rock band from Rio de Janeiro, Brazil, formed in 2000. The quintet — Roberto Sans (vocals), Davis Ramay (guitar), Diego Padilha (bass), Rigel Romeu (keyboards), and Leonardo Peccatu (drums) — released a self-titled demo in 2001 and their debut full-length A Brand New Life in 2005, a 13-track album running over an hour in length.