Uraeus is a Brazilian black metal band whose lineup includes Doom-Rá on guitars and vocals, Mallignus on guitars, and Lestat on bass. The band has released two full-lengths — "A Serpente Triunfante" (2009) and "Ritual das Chamas Ocultas" (2012) — alongside a series of demos and splits, maintaining a raw and satanic black metal aesthetic throughout their career.

Uranio 238 was a heavy and power metal band from San Miguel, Buenos Aires, Argentina, formed in 1987 and active through 1997 before splitting up. The band released a series of cassette demos during their run, including "Power Metal" (1991) and "Decadas pre-producción" (1992), operating entirely as an independent act within the Argentine underground metal scene.

Urano is a black metal project from Rio Grande do Sul, Brazil, operating in an elite black metal and industrial war metal vein. Their discography includes "URÂNIO" (2019), "GENO-EXTER" (2020), and "U235" (2022), produced at Lunar Eyes Studio under the direction of Uran Cerebren.

Urantia is a post-black metal and blackgaze band from Bogotá, Colombia, formed in 2019. They released the EP "Samsāra" in 2019 — recorded, produced, mixed, and mastered entirely by the band that autumn — followed by the full-length "Vermis" in 2020. Their sound blends atmospheric black metal with shoegaze and post-metal textures.

Urdza is a heavy and thrash metal band from São Paulo, formed in 2017 by brothers Heitor Prado (vocals) and Hugo do Prado (guitar) alongside Gustavo Correa (guitar), Diego Rodrigues (bass), and Igor Mota (drums). Their debut album "A War with Myself" (2024), produced by Thiago Bianchi, is a 10-track record whose lyrical concept draws on the universe of the Magic: The Gathering card game.

Urutau is a Brazilian death metal project recorded across São Paulo and Rio Grande do Sul, whose debut release "Nihilistic Paraphilia" appeared in August 2022 on the Cultivation of War label. The demo offers three tracks of abyssal, tradition-rooted black/death metal, showcasing a deliberately obscure and underground approach to the genre.

Utterance is a death metal band from Brasília, formed in 2019 by Matheus Alpino (rhythm guitar, vocals), Vinicius Azevedo (bass), Manoel Bento (drums), and Roberto Carlos (lead guitar). Their debut EP "Conflagration," released in August 2019 and recorded at Less Than Zero Studio, opens with two extended tracks that display a dense, technically grounded approach to the genre.

Uzômi is a crossover/thrash band from Rio de Janeiro whose name pays homage to Urza, a character from the Magic: The Gathering universe. Their 2017 album "A Revolta do Boêmio" — a 13-track record whose titles reflect punk nihilism and street-level social commentary — stands as one of the key documents of the Brazilian underground crossover scene.