Waithrone is a heavy metal band from Curitiba, Paraná, Brazil, active since 2005. The band released the EP The King's Return in 2009 and built a following in the local Curitiba metal underground, with tracks such as "Dark Night" aired on Brazilian metal radio programs.

Waking for Darkness is a black/death metal band from Curitiba, Brazil, formed in 2022. The band has released two albums, The Dynasty of Time and Solus, drawing on the atmospheres of second and third wave black metal fused with the aggression of 1990s death metal.

Waliche is an indigenous-themed black metal project from Palhoça, Santa Catarina, Brazil, formed in 2022 and signed to Wintermist Records. The band centers its work on the culture and spiritual traditions of indigenous peoples of South America, releasing the demo Indigenous Lycanthropic Tyranny in 2023, followed by the full-lengths Proclamation of War and Waliche Yüt.

Walrider is a thrash/crossover band from Formosa, Goiás, Brazil, active since 2015. The band is part of Brazil's interior underground scene and has released the album Death, Beer and Mosh, a title that announces their no-frills approach to pit-ready crossover thrash.

Wampyric Rites is a raw black metal band from Loja, Ecuador, formed in 2019 by members operating under the monikers Wampyric Strigoi and Eblis Destructor. Their music centers on themes of vampirism and darkness, drawing from the primitive end of the black metal spectrum, and they have released a steady stream of demos, splits, and EPs since their inception, culminating in the full-length debut Under the Tragic Fullmoon of the Vampire in 2026 on Inferna Profundus Records.

Wanadi is a raw black metal project from Brazil, formed in 2025. The project made its debut with the demo Marchando Para A Batalha (Marching to Battle), establishing a primitive and belligerent sound typical of the Brazilian underground raw black metal tradition.

Warbiff is a thrash metal trio from Fortaleza, Ceará, Brazil, built around guitarist and vocalist Daniel Biff alongside bassist Pedro Torres and drummer Rômulo Shaw. The band released the eight-track mini-CD Fresh Meat in 2006 and placed second in the 2010 Wacken Metal Battle selection in São Paulo, earning a reputation across Brazil for their fast and unrelenting sound.

Warbound is a thrash metal band from the ABC Paulista region of São Paulo, Brazil, whose lineup includes vocalist and bassist Hélio Patrizzi, drummer Enrico Ozio, and guitarists Jefferson Oliveira and Heloisa Bordini. The band debuted with the full-length Behind the Unreal in 2019 and followed it with Necrothrash in 2024 on Thrash or Death Records, drawing comparisons to the Teutonic thrash tradition.

Warburst Command is a black/thrash metal band from Mossoró, Rio Grande do Norte, Brazil, formed in 2013 under the pseudonyms Prometheus (guitar/vocals), Chackal (bass), and Witchhunter (drums). The band released the three-track Barbarian, Conqueror EP in 2014 on CDr, delivering a raw and aggressive blend of black and thrash metal from Brazil's northeastern underground.