Fetus Grinder is a brutal death metal band from Lombardy, Italy, formed in 2009. Their output trades in the visceral extremity and graphic intensity characteristic of the brutal death metal underground.

Fetus in Fettuccine is a death metal/grindcore band from Hoor in the Skane region of southern Sweden, formed in 2025. Their deliberately grotesque, culinary-horror name signals the shock-value extremity of their grindcore approach.

Fetuxion is a death metal/goregrind project from Luxembourg, active since 2009. They deal in the visceral extremity of goregrind and death metal, representing the extreme end of the Grand Duchy's compact but dedicated metal scene.

Feu Mortifère is a doom/death metal band from Nantes, France, formed in 2025. The band's French name — meaning "deadly fire" — signals the burning intensity of their doom/death approach.

Fever Dreams is a death metal band from Solothurn, Switzerland, formed in 2018. The band channels old-school death metal ferocity from the heart of German-speaking Switzerland.

Feythland is a black/death metal band from Krakow, Poland, active since 2006. They blend black and death metal traditions from one of Poland's most culturally rich cities, drawing on nearly two decades of experience in the underground.

FFFIIIXXX is a death metal band from Berlin, Germany, formed in 2022. The band delivers confrontational death metal from the German capital's diverse extreme music underground.

Fibrodysplasia Ossificans Progressiva is a slam/brutal death metal project from Catania, Sicily, formed in 2015 and named after the rare genetic condition in which muscle tissue ossifies into bone. Their output embodies the medical-horror fixation typical of slam death metal, delivering punishing brutality from deep in the Sicilian underground.

Fictio Solemnis is a symphonic blackened death metal project from Perugia, Italy, formed in 2022 as part of a broader 'Musical Metaverse' conceived by guitarist Edoardo Casini. Their debut EP (A)STER features orchestrations by Francesco Ferrini across six tracks of cosmic-themed extreme metal blending symphonic grandeur with blackened death metal aggression.