Rubato is a heavy/thrash metal band from Krasnoyarsk, Russia, active since 2013. The Siberian outfit delivers hard-hitting metal that merges heavy metal power with thrash aggression.

Rubbish is a heavy metal band from Mechelen, Belgium, operating within the Belgian underground metal circuit. The band has pursued a straightforward approach to traditional heavy metal with limited wider documentation outside the regional scene.

Rubycon is a heavy metal band from Eksjö, Sweden, active since 2013. The band delivers classic heavy metal from the Småland region, a historically productive area for Swedish metal.

Rubén Picazo is a solo artist from Alicante, Spain, active since 2020, working across heavy metal, hard rock, and melodic black metal. The project's genre range from hard rock to black metal reflects an unusually versatile approach from the Levantine coast.

Rubén Álvarez is a heavy/power metal solo artist from Madrid, Spain, active since 2009. The project delivers virtuoso-driven heavy and power metal from the Spanish capital.

Roman heavy metal act with roots stretching back to 1996, representing one of the capital's longer-running traditional metal presences. Their three decades of classic metal craftsmanship speak to an enduring devotion to the genre.

Rue Morgue is a heavy metal band from Ellerhoop in Schleswig-Holstein, Germany, formed in 2017. Named after Edgar Allan Poe's famous fictional street, the band delivers traditional heavy metal from the north German countryside between Hamburg and the Elbe.

Austrian heavy and power metal band who appeared on the 1991 split compilation Rock from the Heart of Europe alongside Classica and Majesty, released on Breakin' Records. The band draw on a range of classic rock and metal influences and have maintained an active presence in the Central European rock and metal scene.

Heavy/thrash/black metal band from Iași, Romania, active since 2014. Their triple-genre approach delivers aggressive metal from the Moldavian capital.