Iotunn is a progressive metal band from Copenhagen, Denmark, active since 2016, evolving from progressive power metal toward progressive melodic death metal. The band's name — the Norse word for "giant" — reflects their ambitious, larger-than-life approach to heavy music.

Iron Angel is a power/speed/thrash metal band from Hamburg, Germany, formed in 2018, wielding a triple-genre attack that channels the high-energy traditions of classic German speed and power metal with thrash aggression. The band carries the torch of Hamburg's storied heavy metal legacy.

Iron Echo is a heavy/power metal band from Heilbronn, Germany, formed in 2024, combining the anthemic drive of power metal with traditional heavy metal's riff-driven foundations. The band represents the newest wave of metal from the Neckar Valley.

Iron Fire is a heavy/power metal band from Copenhagen, Denmark, active since 2006, delivering two decades of anthemic power metal built on soaring vocals and galloping riffs. The band ranks among Denmark's most established power metal acts.

Ironguard is a speed/power metal band from Fredericia, Denmark, active since 2011, blending the velocity of speed metal with the anthemic melodies of power metal. Over fifteen years, the band has forged a blistering hybrid from the Jutland garrison town.

IronWare is a melodic power metal band from Borås, Sweden, active since 2006 and delivering soaring melodies, epic arrangements, and powerful vocals. The project channels the grandeur and ambition of power metal.

Heavy/power metal band from Jaén in Andalusia, formed in 2022. Their lupine name channels classic heavy and power metal from the olive country of southern Spain.

Power metal band from Barcelona, Spain formed in 2019. Their sound channels power metal's melodic intensity from the Catalan capital.

Isle of Avalon is a power metal band from Truro, United Kingdom, active since 2017 and delivering soaring melodies, epic arrangements, and powerful vocals. The project channels the grandeur and ambition of power metal.