Flowing Tears is a gothic metal band from Wadgassen, Germany, whose sound evolved from atmospheric doom metal into gothic metal territory. The band has been a notable presence in the German gothic/doom scene since the late 2000s.

FLTH is a black metal project from Eindhoven in the Netherlands, formed in 2022. They deliver raw, uncompromising black metal from the city best known internationally as the home of the Roadburn festival and one of Europe's key underground metal hubs.

Flucht nach vorn is a metalcore band from Germany, formed in 2025. The band's name — meaning "flight forward" — captures the aggressive, forward-driving energy of their metalcore.

Fluid is a death/sludge metal band based across Gera, Leipzig, and Chemnitz, Germany, formed in 2021. The band merges the heaviness of death metal with the thick, abrasive textures of sludge.

Fluisteraars is a post-black metal band from Bennekom in Gelderland, active since 2014 and recognized as an important force in the Dutch black metal landscape. Their trilogy De Kronieken Van Het Verdwenen Kasteel and earlier works like Gegrepen Door de Geest der Zielsontluiking blend raw atmospherics with blackened psychedelic folk-rock, rooted in the rural isolation and folkloric mysticism of their home province.

Flukt is a black metal project from Vennesla in southern Norway, formed in 2015. Their name — Norwegian for 'escape' or 'flight' — implies a desperate urgency that drives their black metal from the Agder region.

Flumen is a heavy/thrash metal band from Suwalki in the far northeastern corner of Poland, formed in 2018. Operating from one of Poland's coldest and most geographically isolated cities near the Lithuanian border, they deliver classic thrash and heavy metal from the Podlasie frontier.

Fluoryne is a black metal band from Steinhagen, Germany, active since 2005. With two decades of activity, the band has been a quiet but persistent force in the Westphalian black metal underground.

Flush is a thrash metal band from Belgrade, Serbia, formed in 2017. They deliver fast, aggressive thrash metal from the Serbian capital's growing underground metal community.