In from the Cold is a sludge/stoner metal band from Belgrade, Serbia, active since 2011 and delivering fuzz-laden, groove-heavy riffs through a haze of overdriven amplification. The project channels the riff-worshipping spirit of the genre.

Incandescente is a stoner/doom metal band from Barcelona, Spain, formed in 2021, crafting hazy, riff-heavy compositions drenched in psychedelic warmth and crushing weight. The band channels Barcelona's creative energy into slow-burning, sun-baked doom.

Indivia is a stoner/doom metal band from Padua, Italy, active since 2014 and delivering crushing, fuzz-laden heaviness where doom's oppressive weight meets stoner metal's hazy grooves. The project channels low-end power and psychedelic atmosphere.

Infernal Fat Cat is a stoner/doom metal band from Warsaw, Poland, active since 2025 and delivering crushing, fuzz-laden heaviness where doom's oppressive weight meets stoner metal's hazy grooves. The project channels low-end power and psychedelic atmosphere.

Inferno (XII) is a stoner/doom metal band from Växjö, Sweden, active since 2010 and delivering crushing, fuzz-laden heaviness where doom's oppressive weight meets stoner metal's hazy grooves. The project channels low-end power and psychedelic atmosphere.

Injustice System is a stoner/post-metal band from Kamen, Germany, active since 2014, building dense, heavy compositions that merge the hazy riffs of stoner metal with the expansive dynamics of post-metal. The band delivers weighty, immersive music from the Westphalian town between Dortmund and Hamm.

Inmates is a stoner/doom metal band from Santiago de Compostela, Spain, active since 1994, making them one of the oldest and most enduring heavy acts in Galicia. Three decades of output have cemented the band as pioneers of doom and stoner metal in northwestern Spain.

Inn13 are a sludge/stoner/doom metal band from Plymouth, England, formed in 2012 and consisting of four dudes and a girl who play doom with many a twist. Their releases include Appetite For Vegetarians and Make a Doom Noise Here.

Insonika is a stoner/doom metal band from Jönköping, Sweden, active since 2018 and delivering crushing, fuzz-laden heaviness where doom's oppressive weight meets stoner metal's hazy grooves. The project channels low-end power and psychedelic atmosphere.