Norylsk is a grindcore band from Włocławek, Poland, active since 2014. Named after the polluted Siberian industrial city, they grind with industrial-scale intensity.

Nospheratu is a death metal and grindcore project from Osterwieck in the Harz region, formed in 2025. The project brings vampiric extremity to the foothills of Germany's mythical mountain range.

Nostromo is a legendary Geneva-based metalcore and grindcore band active since 1998, whose albums 'Argue' and 'Ecce Lex' established them as a reference point in European extreme metal. The band reformed in 2016 to tour with Gojira, continuing their legacy of complex, technical extremity.

Nothing More to Eat is a Finnish grindcore and death metal band from Helsinki, active since 2010. With three albums of short, punishing tracks blending grindcore ferocity with hardcore aggression, they deliver a relentless sonic assault rooted in the Finnish extreme underground.

Novitchok is a grindcore, crust punk, and black metal band from the Heidelberg-Mannheim area, active since 2021. Named after the notorious nerve agent, the band delivers a toxic blend of grind, crust, and black metal from the Rhine-Neckar region.

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Nuclear Devastation is a grindcore band from Milan, Italy, active since 2012. They lay waste with blasting extremity from Italy's largest city.

Nuclear Holocaust is a death metal and grindcore band from Świdnik, Poland, active since 2015. They bring apocalyptic extremity from this Lublin voivodeship town.

Nuclear Impact is a grindcore/thrash metal band from Slovenia, active since 2015. The band delivers blistering extreme metal that fuses grindcore's relentless speed with thrash metal aggression.