Lesa-Pátria is a death metal band from Guará, Distrito Federal, Brazil, formed in 2021. Their debut album "Distopia," released on September 25, 2021, contains eight tracks with overtly political titles including "Atrocidade Federal," "Cidadão de Bem," and "Caos e Reeleição," reflecting themes of anti-fascism, genocide, and war. The band operates as an independent act and maintains active profiles on Bandcamp and Spotify.

Letalis are a speed and heavy metal band from Santiago, Chile, formed in 2021 by members including vocalist Jacqueline Jara. Drawing from 1980s speed metal influences, the band released their debut album Bestia Oculta in 2022 and followed it with Verdadero Poder in November 2025, the latter praised for tighter songwriting and a more fully realized sound within the genre.

Letargia is a crossover/doom/thrash metal band from Campo Limpo Paulista, São Paulo, Brazil, formed in 2001 and associated with Kill Yourself Productions. The band released the "Stragado EP" in November 2006, recorded at The Magic A.S.O.M. studio with founding members Pacu on guitar and vocals and Mindu on drums. Their music mixes crossover thrash with doom-inflected heaviness and themes of sex, drugs, and rock 'n' roll.

Letargo was a heavy metal band from Buenos Aires, Argentina, formed in 1999 under the earlier name Xeus, with members including vocalist Jorge Cabrera, guitarists Diego Prado and Gonzalo Anselmi, and drummer Cristian Gagliardo. The band released their studio album "Derribando al enemigo" in 2003 and appeared the same year on "Mátenlos a todos: Tributo argentino a Metallica," a compilation of Argentine bands covering Metallica songs. The group subsequently split up.

Letargo was a heavy metal band from Buenos Aires, Argentina, formed in 1999 under the earlier name Xeus, with members including vocalist Jorge Cabrera, guitarists Diego Prado and Gonzalo Anselmi, and drummer Cristian Gagliardo. The band released their studio album "Derribando al enemigo" in 2003 and appeared the same year on "Mátenlos a todos: Tributo argentino a Metallica," a compilation of Argentine bands covering Metallica songs. The group subsequently split up.

Lethal is a thrash/heavy metal band from Florida, Buenos Aires, founded in 1988 by former members of Legión, that quickly became one of Argentina's most recognized metal acts, opening for international headliners including Sepultura, Pantera, and Anthrax. Their debut album "Bienvenidos a mi reino" (1990) featured the track "King of the Ring," voted best Argentine song of the year by readers of Madhouse magazine, and they followed it with notable releases "Maza" (1994) and "Efecto tequila" (1996). After a hiatus, the band reformed and has continued releasing music, including "Inyección Lethal" (2010) and "Somos thrash" (2023).

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.

Lethal Sense is a death metal band from Bento Gonçalves, Rio Grande do Sul, Brazil, playing a raw and brutal style the band describes as mixing death metal with violent splatter. They released the EP "The Trip" in 2012, a five-track recording featuring tracks such as "Human Flesh" and "Rotten Blood".