Def Leppard is a legendary band from Sheffield, England, originally formed in the NWOBHM era, whose sound evolved from heavy metal into globally successful hard rock and pop rock. They are one of the best-selling rock bands of all time.

A Brussels-based groove and thrash metal outfit, Def Soul grind out riff-forward metal energized by the rhythmic aggression of groove and the speed of old-school thrash. Active in the Belgian underground, the band maintains an independent presence on Bandcamp under the handle deesoul.

Def/Light is a melodic black and death metal band from Dnipro, Ukraine, formed in 2008. The project channels atmospheric extreme metal from the Dnieper River city.

Defaced Creation is a death metal band from Ostersund, Sweden, formed in 2012. The project delivers aggressive death metal from the Jamtland mountains.

Defacer is a thrash metal/hardcore band from Kirkcaldy, Scotland, formed in 2016. They deliver defacing thrash and hardcore from Fife.

Defacing God is a symphonic black/gothic metal act from Aalborg in northern Jutland, formed in 2022 and layering orchestral grandeur over extreme metal's darkest impulses. Their blasphemous name sets the stage for music that assaults religious iconography through sweeping, cinematic compositions.

Defactorial is a melodic death metal and metalcore band from Kyiv, Ukraine. The project blends melodic death metal with metalcore from the Ukrainian capital.

Defamed is a Milanese deathcore act formed in 2020, riding the genre's wave of crushing breakdowns, guttural vocals, and blast-beat intensity. Their sound channels the modern deathcore template through an Italian lens, delivering punishing heaviness with precision.

Defanatus is a black metal band from Sweden, formed in 2017. The project channels dark black metal.