Frail Grounds is a progressive/power metal band from Lillestrom, Norway, active since 2008. They combine the melodic grandeur of power metal with progressive complexity from the suburban outskirts of Oslo.

Frail Petals is a black metal project from Jyväskylä, Finland, formed in 2025. The project juxtaposes the delicacy of its name with the harshness of black metal.

Frailty is a doom/death metal band from Riga, Latvia, active since 2008, creating 'dark and disturbing sounds of melancholy and tragedy.' Across five albums from Lost Lifeless Lights through Tumsi Udeni (2020), they blend doom/death heaviness with abstract ambient passages and ethnic soundscapes, performing in Latvian — a rarity in European extreme metal.

Frakasm is a death metal band from Dunkirk, France, formed in 2016. The band channels death metal from the Channel port city in French Flanders.

Frakass is a thrash metal band with RAC roots from Lyon, France, active since 2009. The band evolved from RAC/Oi! origins into a heavier thrash metal direction.

Fraktal is a brutal death metal band from Igualada, Spain, formed in 2012. The band delivers relentless brutal death metal from the Catalan industrial town.

Fraktur is a black/death metal band from Frahier-et-Châtebier, France, formed in 2017. The band merges black and death metal from the Franche-Comté village.

Fraktura is a thrash metal band from Mungia, Spain, formed in 2018. The band channels aggressive thrash from the Basque Country town.

Frakture is a thrash metal band from Bilbao, Spain, formed in 2013. The band delivers fast, riff-driven thrash metal from the Basque Country's largest city.