Jotungrav is a Finnish progressive folk metal project centered on extended compositions about Nordic mythology examined through modern philosophical perspectives. Founded as a solo venture by singer/songwriter Matias Stenman, the project expanded in 2023 with drummer Matias Rokio, crafting ambitious tracks that stretch around the ten-minute mark.

Jouissance Morbide is a black metal band from Marseille, France, whose album Sublimation (2022) was recorded at Daemonicreation Studio. Their four-track release channels the raw intensity of French black metal through extended compositions including the eight-minute Sheol and Le ciel est mort.

Joxean Koret is a dark ambient and metal artist from the Basque Country, Spain, creating atmospheric soundscapes that bridge heavy music and ambient drone. Their releases including Landscapes (2026) and World At War (2021) explore brooding, immersive sonic territories released under Creative Commons licensing.

Joyless is a Norwegian black metal band that channels the dark, cold atmosphere of Scandinavian extreme metal through bleak, nihilistic compositions. Their work draws on Norway's foundational black metal traditions, delivering grim and unyielding heavy music.

Joyless Euphoria is a post-black metal project from Vienna, Austria, formed in 2018. Their releases including Silent Night of Ravishing Love and Dreaming In Ultraviolet push the boundaries of atmospheric black metal with shimmering textures and introspective melancholy.

Joys of Life is a depressive black metal solo project from Temerin, Serbia, created entirely by the artist Serotonine & Dopamine. Their album Ausweg / Existenzfeind (2018) features nine tracks of atmospheric DSBM with German-language titles, channeling bleak Eastern European melancholy through raw, solitary compositions.

Jubal is a heavy metal band from the Netherlands whose compositions channel aggressive energy through technically proficient performances. Their work contributes to the vibrant Dutch metal underground with powerful, riff-driven heavy music.

Jullov is a black metal project from Hudiksvall, Sweden, whose self-titled album (2016) features five instrumental parts of raw, atmospheric black metal. The extended compositions, culminating in a nearly eight-minute finale, deliver cold Scandinavian intensity through a purely instrumental framework.

Jumalhauta is a Finnish death metal band from Ylivieska whose releases including Yhdeksan Sairautta and Kuolinvirsi deliver crushing Scandinavian death metal. Their Finnish-language lyrics and raw approach to the genre place them firmly within the lineage of Finland's storied death metal tradition.