Demophobia is a thrash/crossover band from the ABC Paulista region of São Paulo, Brazil, formed in 2018. They blend the aggression of thrash and death metal with punk rock energy, singing in Portuguese, and have released two records: "Moinhos de Gastar Gente" (2019) and "Modus Operandi" (2020), both recorded at Toca do Chico Preto studio in São Bernardo do Campo.

Desacordo is a crossover thrash metal band from Pernambuco, Brazil, formed in 2021. The band released a self-titled EP in November 2021 and followed it with a second release in October 2022, delivering raw, aggressive thrash fused with hardcore punk energy rooted in the northeastern Brazilian underground scene.

Desordem Absoluta is a thrash metal and crossover band from Abreu e Lima, Pernambuco, Brazil, formed in 2025. The band is part of the active extreme metal underground in the Pernambuco region and has appeared on lineups alongside other local and national acts.

Dexerebrattor is a crossover thrash band from Formosa, in Argentina's northeastern NEA region, formed in 2015. Their debut release, the five-track EP Toxic NEA!, came out on July 16, 2015, with lyrics touching on politics, toxic environments, and anti-poser themes. The band's founding lineup included Facundo Balmaceda on vocals, Brian Galvan on lead guitar, Gabriel J Hansen on rhythm guitar, Adrian Deserti on bass, and Dany Molina on drums.

Dioxina was a thrash metal and crossover band from São Paulo, Brazil, active from 2015 and later split-up. The band self-released their five-track EP "Ordem e Regresso" in August 2015, delivering aggressive crossover thrash in the tradition of the São Paulo underground scene. They operated independently throughout their existence.

Dirty Room is a thrash and crossover metal band from Buenos Aires featuring vocalist Leandro Laudonia, guitarist Luciano Vazquez Lococo, bassist Tulio Navia, and drummer Emanuel Vazquez Lococo. The band released their debut EP Conspiracy & Doomsday in August 2016 and followed it with the full-length Nevercops in March 2018.

Disenteria is a crossover thrash metal band from Santos, São Paulo, Brazil, formed in 2020 and operating as an independent act. The band is listed on Encyclopaedia Metallum and participates in the São Paulo coastal region's underground extreme metal circuit, drawing on the crossover traditions of Brazilian thrash.

Febre do Rato was a crossover/thrash metal band from Santa Isabel, Brazil, active from around 2014 until splitting up. The band released a demo alongside the EP Mundo Em Extinção and the single Maníaco, playing fast, aggressive material in the Brazilian crossover tradition. Their output was self-released through Bandcamp.

Finish Him is a thrash/crossover band from Córdoba, Argentina, featuring Cuca on vocals, Mauro on guitar, Fer on bass, and Ramiro on drums. They released their demo "If The Thrashers Are United, Then We'll Never Be Divided" in November 2013, and followed it with the full-length "Choose Your Destiny" in 2024.