Nochaa is a deathcore band from Abergavenny, Wales, active since 2015. The band delivers breakdown-heavy deathcore from the Monmouthshire market town.

Nocheni is a heavy metal band from Redondela in the Galician province of Pontevedra, active since 2005. Two decades of heavy metal from the Vigo estuary make them one of Galicia's most enduring metal acts.

Nocheterna is a band from Seville that evolved from thrash metal origins into symphonic heavy metal since 2014. The band's name meaning 'eternal night' guides their increasingly orchestral approach from the Andalusian capital.

Nocny Kochanek formed in Warsaw in 2012 and became one of Poland's most recognizable contemporary heavy metal bands by combining classic metal musicianship with deliberately humorous Polish-language lyrics. The band grew out of musicians connected to the earlier project Night Mistress, but Nocny Kochanek shifted the focus toward a more playful identity while keeping the guitars, vocals, and arrangements firmly rooted in traditional heavy metal and hard rock. Their debut album Hewi Metal arrived in 2015 and set the template: galloping riffs, high-register vocals, twin-guitar melodies, and comic storytelling that affectionately exaggerates metal culture, nightlife, drinking, romance, and everyday absurdity. Zdrajcy metalu in 2017 broadened their audience with songs such as "Zdrajca metalu," while Randka w Ciemnosc, Stosunki Miedzynarodowe, and O Jeden Most Za Daleko continued refining the band's mix of strong musicianship and self-aware theatrical humor. Nocny Kochanek's appeal rests on that contrast. The songs are funny, but they are played with the craft and force of a serious heavy metal band, making the joke land without reducing the music to novelty.

Nocra is an atmospheric black metal project from Saint Petersburg, Russia, active since 2009. They craft immersive, nocturnal soundscapes from the Baltic coast.

Industrial black metal act operating across Viareggio, Pisa, and Livorno on the Tuscan coast, fusing mechanical rhythms with black metal's primal fury. Their cold, cybernetic approach transforms the genre's organic aggression into something clinical and calculated.

Nocrul is a black metal project from Szentendre, Hungary, active since 2013. They craft darkness from this picturesque artists' town on the Danube Bend north of Budapest.

Noctalis is a folk/black metal project from Giessen in Hessen, active since 2016. The project weaves folk melodies into black metal from the university town on the Lahn River.

Noctambulant is a black metal band from Ostrava in the Czech Republic's Silesian region, active since 2017. The project's name meaning 'sleepwalker' guides their trance-like approach to black metal from the industrial northeast.