R.O.L.F. is a doom/sludge metal and death 'n' roll band from Algeciras in southern Spain, active since 2009. The band channels heavy, low-end-driven doom and sludge with rock 'n' roll swagger from the Strait of Gibraltar.

Raamt is a blackened doom metal band from Pietarsaari (Jakobstad) on the west coast of Finland, formed in 2019. The band channels oppressive blackened doom from the bilingual Swedish-Finnish coastal town.

Radon is a Swiss black/doom metal band from Zürich, formed in 1998 and crafting a hybrid of oppressive black metal atmosphere and crushing doom metal weight. The project has maintained a low-profile presence in the Swiss underground metal scene for over two decades.

Rafnatyr is a black/doom metal project from Sweden, formed in 2024. The project merges the darkness of black metal with the crushing weight of doom, creating an oppressive and atmospheric listening experience.

Black/death/doom metal band from Kaliningrad, Russia, active since 2015. Their ambitious three-genre approach delivers crushing extreme metal from Russia's western exclave.

Rage of Samedi is a doom/sludge metal band from Zweibrücken in the Rhineland-Palatinate region of Germany, formed in 2014. Their releases including Blood Ritual and Children of the Black Sun channel dark, ritualistic themes through heavy, low-end-driven doom and sludge.

Ragequit is a doom metal band from Paris, France, formed in 2025. The band delivers crushing doom metal from the French capital.

Raging Sloth is a sludge and doom metal trio from Munich, Germany, formed in 2018 and featuring Max on bass and vocals, Mischa on guitar, and Jonas on drums. Self-describing their sound as 'heavy dystopian sounds in the realm of sludge and doom metal,' their releases include The Descent EP and the track Event Horizon.

Raglefant is a sludge/doom/stoner metal band from Zarautz on the Basque coast of Spain, formed in 2018. The band delivers heavy, fuzz-laden doom and sludge from the Cantabrian surf town in the Basque Country.