Nothung is a heavy/thrash metal band from Potenza, Basilicata, active since 2021. Named after the legendary sword from the Nibelungenlied and Wagner's Ring cycle, they forge sharp-edged metal from southern Italy's highlands.

Nova Arminius is a heavy/power metal band from Sweden, active since 2017. The band delivers anthemic power metal infused with traditional heavy metal foundations.

Nova Prospekt is a melodic and progressive heavy metal band from Florenville in Belgium's Luxembourg province, active since 2013. Named after the fictional prison complex from Half-Life 2, the band crafts elaborate progressive metal from the rural heart of the Belgian Ardennes.

Nu Religion is a heavy metal band from Budapest, Hungary, active since 2017. They forge their own creed of traditional heavy metal from the Hungarian capital.

Nubes Negras is a heavy metal band from Sagunto near Valencia, active since 2012. The band's name meaning 'black clouds' drives their heavy metal from the ancient Iberian fortress town.

Nudo is a heavy/power metal band from San Javier in the Murcia region, active since 2018. The band delivers classic metal from the Mar Menor lagoon coast of southeastern Spain.

NueveConDiez is a band from Gijon in Asturias that evolved from punk rock origins into heavy metal and hard rock since 2011. The band's name meaning 'nine out of ten' reflects their high-energy approach from the Asturian coast.

Nukebirds is a heavy metal and punk band from London, UK, active since 2014. Their sound fuses the power of heavy metal with punk's raw energy and rebellious attitude.

Nullify Emplacement is a heavy/thrash metal band from Irkutsk, Russia, active since 2018. They deliver strategic thrash from this major East Siberian city near Lake Baikal.