Nóttcarv is a melodic black/death metal band from Klaipėda, Lithuania, formed in 2023. They bring Scandinavian-influenced extreme metal from Lithuania's major Baltic Sea port.

Nôidva is a Finnish black metal band whose 2023 album Lappish Shatanism draws deeply on Lappish culture, forest mysticism, and shamanic traditions. The four-piece weaves atmospheric and folkloric elements into their black metal, creating a sound rooted in the spiritual landscape of northern Finland.

No Frills is a progressive/thrash metal band from Madrid, active since 2018. The band strips metal to its essential elements with a raw fusion of progressive and thrash from the Spanish capital.

Nodtveidt is a melodic black/death metal project from Sofia, Bulgaria, formed in 2025. The project is among Bulgaria's newest extreme metal entries, blending melodic sensibility with blackened death metal ferocity.

Nöhm Island is a gothic/heavy metal band from Paris, France, formed in 2014. Their sound merges the dark elegance of gothic metal with the driving power of traditional heavy metal.

Northwind is a power metal band from Gijon in Asturias, active since 2018. The band delivers soaring power metal from the windswept northern coast of Spain.

Nøkian Monark is a Finnish black/groove metal project formed in 2023, fusing the cold atmosphere of black metal with the heavy rhythmic drive of groove metal. The band represents an emerging voice in Finland's diverse extreme metal underground.

Nomadas is a heavy/power metal band from Alicante, active since 2020. The band brings wandering heavy metal energy to the sunny Mediterranean coast.

Nømadus is a progressive groove/thrash metal band from Belfast, Northern Ireland, formed in 2019. Their sound blends progressive complexity with the heavy rhythms of groove metal and thrash aggression.