Nils Reine Fiske (born 4 October 1972) is a Swedish guitarist, art director and sound engineer at the record label Subliminal Sounds, who put his signature to many prog-rock projects such as Landberk, Morte Macabre, Paatos, Motorpsycho, Elephant9, and Träd, Gräs & Stenar. He is best known for his playing in the band Dungen.
Fiske was born in Saltsjö-Boo, Sweden. He plays in The Amazing with Christopher Gunrup, has also played with the band Reform, and is a member of Sylvester Schlegel's band The Guild, in addition to those already mentioned.
In 2013 he released Still Life With Eggplant with the Norwegian prog-rock band Motorpsycho, followed by Behind the Sun in 2014 with the same band. He still tours regularly with them up to now (date 2025). With another Norwegian prog-rock band, Elephant9, comprising the trio StÃÂ¥le Storløkken, Nikolai Eilertsen and Torstein Lofthus he released Atlantis . The latter appeared at Kongsberg Jazz Festival 2012.
He is a member of Träd, Gräs & Stenar.