Fleshblade is a heavy/thrash/symphonic metal band from Faenza in the Ravenna province of Emilia-Romagna, formed in 2016. Their hybrid approach blends the riff-driven power of thrash with symphonic orchestration and classic heavy metal hooks.

Fleshgore is a brutal death metal band from Kyiv, Ukraine, active since 2002. Over two decades — through stylistic shifts between brutal death metal, thrash, and deathcore — they have established themselves as one of the most enduring extreme metal acts in Ukraine.

Fleshrobot is a thrash metal/punk band from Leer, Germany, formed in 2012. The band fuses the speed of thrash metal with the raw attitude of punk from the East Frisian town.

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.

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.

FMW is a groove/thrash metal band from Dundee, Scotland, formed in 2025. The band delivers aggressive groove and thrash metal from the Tayside city.

Fobia is a melodic thrash metal band from Finland, formed in 2023. The band combines melody with the aggression of thrash metal.

Fobos is a thrash metal band from Ruse, Bulgaria, formed in 2014. The band delivers aggressive thrash metal from the banks of the Danube in northeastern Bulgaria.

FOE is a thrash/death metal band from Goleniow in the West Pomeranian Voivodeship, formed in 2015. They channel aggressive thrash and death metal from the northwestern Polish lowlands near the German border.