Lethal Blaster is a thrash/speed metal band from Arequipa, Peru, formed in 2013 and active on the local scene since 2015. The band released their self-titled EP in 2018 and followed it with their debut full-length "Velocidad sangrienta" in 2024, cementing their position in Peru's southern thrash scene.

Lethal Infection are a black/death/thrash metal band from Santiago, Chile, who began releasing material in 2017 with the demo Holy Pervertor and quickly followed it with a second demo, The Chant of the Black Prophecies. The band appeared on the split CD Morbid Chants from Southamerican Abyss alongside Putrid, released through Morbid Skull Records.

Leviaethan is one of the most storied thrash metal acts out of Porto Alegre, Rio Grande do Sul, with roots stretching back to 1983. The band released their debut album "Smile!" in 1989–1990 through Rock Brigade Records, followed by "Disturbed Mind" in 1992, and have remained active for over four decades as a cornerstone of Brazilian thrash metal.

Life in Grave is a thrash/crossover hardcore band from Ceilândia, in Brazil's Federal District, formed around 2019–2020 by André Sodom. The band released the debut EP "Graveweed" in 2020 and later appeared on the four-way split "Play Fast Ride Easy", delivering Sodom and Kreator-influenced riffs alongside themes of death and counterculture.

Lipthopia is a thrash metal band from Medellín, Colombia, originally formed in 1992 and active through 1996 before reuniting in 2017. The band recorded the demo "Una nueva oración" (1994) and their debut full-length "Trash Symphony" (1996), then returned decades later with the full-length "Condición anormal" in 2023.

Livin Garden was a heavy/thrash metal quartet from Curitiba, Paraná, Brazil, active from 2006 to around 2016, featuring Pablo Kravicz and Vinnie Lazzaretti on guitars, Gabriel Canoro on vocals, and Roberto Krug on drums. The band released two studio albums — "Where I Can Breathe" (2009) and "Bring It On" (2014, via Digmetalworld Records) — the latter supported by an extensive US tour of approximately fifty dates culminating in a filmed show at the Whisky a Go Go in Los Angeles. Their sound blended hard rock, southern rock, and thrash influences with nods to Metallica and KISS.

Los Últimos Días are a Buenos Aires metal band formed in 2017, releasing a self-titled four-track debut that same year, recorded and mixed by Esteban Andrés Miranda at LST Studio in the Flores neighborhood of Buenos Aires. The trio features Juan Manuel Pasam on guitars and synthesizers, Rocío Rodríguez on bass, and Pablo Nuñez Galardo on drums. The band blends death metal, thrash, and punk influences in a raw underground style.

Low Life is a thrash/crossover metal band from Brasília, Brazil, known for high-speed, aggressive material rooted in the city's underground scene. In 2023 they released a split with fellow Brasília act D.F.C. titled Thrashformation, issued on limited yellow vinyl. The band returned to live activity in 2025 after a decade-long hiatus.

Lápide was a thrash metal band from Porto Alegre, Rio Grande do Sul, active from 1996 to 2012. The band released two studio albums — Infinite Life After Death (2003) and Over the Grave (2008), the latter through the Voice Music label — and were recognized as one of Rio Grande do Sul's notable thrash acts. The line-up during their later years featured Rogério Pires on vocals and guitar, Eduardo Martinez on guitar, Gustavo Strapazon on bass, and Hercules Priester on drums.