Zillah is a technical death metal band from Edinburgh, Scotland, formed in 2003. Their discography spans from "When Rock Goes Wrong" (2003) to "Serpentine Halo" (2015), the latter released through Sea Of Corruption Records and praised for blending dissonant elements with atmospheric brutality.

Zillion is a melodic heavy metal band from Germany, formed in 2020. They craft catchy, hook-driven heavy metal that draws on the classic German tradition of melodic metalwork.

Zima Ludu is an atmospheric black metal band from Lower Silesia, Poland, formed in 2021. They craft expansive, immersive atmospheric black metal with a focus on wintry, desolate soundscapes.

Zimogroz is a melodic black/death metal band from Dubrovnik, Croatia, founded in 2018. Their debut album "Old Mystic Lore" (2020) on Geenger Records features ten tracks exploring medieval themes and Dubrovnik's history, delivered with accomplished musicianship and powerful vocals.

Zimorog is a one-man raw black metal project from Rijeka, Croatia, formed in 2014. The prolific solo project has released numerous albums including "Winter Horns" and "Tales from the Old Ones," exploring themes of winter, nature, and humanity through unpolished black metal.

Zingira is a heavy/thrash metal band from Erandio in the Basque Country of Spain, formed in 2016. Their album "Bidaia" (2016) features six tracks of progressive and symphonic rock with lyrics entirely in Euskara (Basque language), earning a following among fans of Hällas and Wobbler.

Zintnieks is a psychedelic stoner/doom metal band from Riga, Latvia, formed in 2019. Their albums "No aizkurienes" (2021) and "Ilgas pēc vasaras rītiem" (2026) feature long-format, slow-grinding doom with soaring female vocals by Elizabete Frišfelde-Āgare, drawing comparisons to Tool, Boris, and Pelican.

Zippo is a sludge/progressive metal band from Pescara, Italy, formed in 2018. They evolved from their early stoner metal roots toward a more complex sludge/progressive direction, blending heavy riffs with intricate song structures.

Ziryab is a progressive metal band from Benalmádena, Spain, formed in 2016. Named after the legendary medieval Moorish musician, they blend progressive metal and rock with flamenco elements, creating a unique fusion that reflects their Andalusian heritage.