Lacrima Mortis is a doom/death metal quintet from Blumenau, Santa Catarina, Brazil, formed in 2016 and known for a theatrical, ceremonial aesthetic that includes robed stage attire inspired by acts such as Sunn O))). They debuted with the EP Optare Mortem in 2017 before releasing their first full-length, Posthumous, through German label Talheim Records in 2020, a nine-track, 48-minute record featuring weathered death growls, Gregorian chants, and guest vocalist Laurent of French band Mourning Dawn.

Lacryma Sanguine is a death/doom metal band from Fortaleza, Ceará, Brazil, active since 2008 and among the few doom metal acts to emerge from the northeast of the country. They released their debut digital EP As The Autumn Ends in 2008 via KillZone Records, followed by their first full-length album Amongst These Walls in 2012, distributed by Chilean label FunerART, drawing on the melodic heaviness of My Dying Bride, Saturnus, and Swallow the Sun.

Lado Obscuro is a black metal band from Curitiba, Paraná, Brazil, operating in the tradition of Satanic and anti-Christian underground black metal. The band released the 7-inch Senhor das Trevas in 2006 on Intolerant Records, limited to 500 hand-numbered copies, alongside the demo Triunfo no Inferno issued the same year.

Lady Mortis is a doom/death metal project from Valinhos, São Paulo, Brazil, active since November 2017 and rooted in funeral melancholy with Portuguese-language themes of darkness and existential grief. The band has released several recordings including the EP Exiled from the Light and singles such as Snow Tears (2022), Winter Farewell Poem, and Darkened Emotions, building a catalog of slow, elegiac compositions.

Laftrache are a black metal and folk band from Villa Alemana, Chile, whose music draws from the legends of the Mapuche and Selknam peoples of southern South America. Their 2017 demo Voces Ancestrales features the Trutruca — a trumpet-like instrument made from colihue wood and cattle horn, created by the Mapuche — as well as a spoken-word sample of a native Selknam woman on the track "El Clamor Selknam." The band was released through Chilean underground label Kuyen Producciones.

Lamazuus is a symphonic and ambient black metal duo from Suzano, São Paulo, Brazil, formed around 2019, consisting of Misanthropy (vocals, keyboards, drums) and Asgardhel (guitar, bass). The band releases conceptual single-track recordings themed around characters from Magic: The Gathering and Tolkien, with titles including Elfo (Freyalise) (2019), Minotauro (Mogis) (2020), and a series of singles through 2021.

Lamentos is a melodic doom/death metal duo from Salvador, Bahia, Brazil, comprising John Silva (all instruments, mixing, and mastering) and Paulo Brasil (vocals), whose Portuguese-language lyrics explore anguish, hopelessness, and existential reflection. The band released their debut full-length O Livro Proibido on June 17, 2023, through Abismo Metal Store, Sangue Underground Records, and Black Moon Records, with a physical edition limited to 200 copies.

Lammashta is a death/black metal band from Maceió, Alagoas, Brazil, active since the early 2000s on the Sociedade dos Mortos label. The band cites influences including Immolation, Grave Miasma, and Deicide, and released the full-length "The Pandemonium Begins Here" in 2017 followed by "Anonymous: The Curse of Lammashta" in 2018. Both albums were recorded at DBS Sound Studio in Maceió and showcase the band's blasting, war-metal-adjacent approach to the genre.

Lamúria Abissal is a depressive black metal project from Rio de Janeiro, Brazil, formed in 2012 by Iuri Calado (vocals/lyrics, known as Thy Despair) and Caio Ramon (all instruments, known as Pale). Notably, the band writes and performs entirely in Portuguese, a distinctive trait within the Brazilian DSBM underground. Their discography includes the 2016 EP "Passagem para o Além Abismo" and the 2017 full-length "Eterno Outono da Alma," released through Sinistrion Distro.