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.

Warlord is a heavy metal band from Aracaju, Sergipe, Brazil, with roots stretching back to 1991, making them one of the older acts in Sergipe's underground metal scene. The band was active through the early 2000s, reformed around 2015, and has appeared on compilations including The Iguana's Attäck Vol. 3 (2020) with the tracks "Evil's Child" and "The Soldier of Flies".

Warside is a traditional heavy metal band from Brasília, Distrito Federal, built around a sound directly inspired by the New Wave of British Heavy Metal and classic traditional metal. The band's lineup includes vocalist Leonardo Leão and bassist Vitor Dellamora, and they operate as an independent act within the Brasília metal underground. Their music aims to carry forward the melodic, riff-driven energy of the NWOBHM era within the Brazilian heavy metal scene.

Wendigo is a heavy metal band from Valparaíso, Chile, formed in 2019. The band self-recorded their debut "Wendigo EP" at a home studio in October 2019, followed by the "Revolution Part I" EP in 2020.

Werken are a heavy metal band from Comodoro Rivadavia in the Patagonia region of Argentina, originally formed in 2002 under the name Odisea before adopting their current name — Mapuche for "messenger" — after five years. The band released three studio albums: "Plegaria al Sur" (2010), "Jinete en la Tormenta" (2014, through Icarus Music), and "Tierra Salvaje" (November 2020, through MTM Prod. Records). Their sound draws on classic heavy metal and hard rock influences including Iron Maiden, Deep Purple, and Argentine folk music.

White Death is a heavy metal band from Bom Jesus do Norte, Brazil, whose name is drawn from the legend of Finnish sniper Simo Häyhä, who earned the nickname "The White Death" during the 1939 Winter War against the Soviet Union. The band released their early single "Reaper of Corruption," which drew on that same historical subject matter and gained traction in Brazil's underground metal circuit. Their sound pulls from classic heavy metal touchstones including Iron Maiden, Dio, and Black Sabbath.

White Dragon Project is a heavy metal band from Minas Gerais, Brazil, that released their debut album "Prepare for the Changes" blending power, prog, and traditional heavy metal. They followed it with "The Story of Gaia" in 2023, a ten-track concept album released through Nomade Records exploring themes of civilization, ancient history, and secret societies. The band has built a reputation in Brazil's underground metal scene for ambitious, lyrically driven releases.

Wild Witch is a traditional heavy metal band from Curitiba rooted in the raw sound of the 1980s, counting Judas Priest, Saxon, Motörhead, and Iron Maiden among their core influences. The band released their debut album "The Offering" on Arthorium Records in September 2017, with bassist and vocalist Felipe Leite and drummer Weiberlan Garcia anchoring the lineup. Their second full-length, "Reaper's Blade," arrived in 2025 — a record completed across several years after the death of original guitarist Paulo Ryba, with new vocalist Tiago Souza joining to finish the recordings.