Niels Marthinsen (born 1963) is a Danish composer in the classical tradition. He studied composition at the Royal Academy of Music in Aarhus from 1982-1990 as a student of Per Nørgård. Other teachers include Hans Abrahamsen, Steen Pade, Karl Aage Rasmussen and Poul Ruders.
He received the Victor Borge Prize in 1993, the H. C. Lumbye Prize in 2008. The 2006 Danish National Opera production of Marthinsen’s opera Skriftestolen received the Danish Reumert Prize in 2007 for Opera of the Year.
1986 Erscheinungen (orchester)1988 Airborne (flute, piano, violon, and cello)1988 Echoes of a Dove1988 Sept Poèsies des saisons japonaises1989 Olé1990 Vulcan's Forge1990 Burst1992 Rhapsodie Espagnole1992 Cradle Song1992 Concerto1992 Wildlife1992 Minotaurus1992 Shadow Figures1993 Den Forstenende Skov1993 Abgesang1993 Chimes at Midnight1993 Heldenleben1993 Panorama1994 Columbus1994 Bolero1994 Cupid and Death1994 Reveille1994 Slagtøjskoncert1994 Tubakoncert1995 Devil in Disguise1995 Strygekvartet1995 En Miniature1996 Symphony1996 Lyriske stykker1996 Angels and Insects1996 Heroisk Etude1996 A Bright Kind of High1997 Love and Treachery1997 Klavertrio1997 Kærlighed og forræderi1998 Moonwalk1998 Byen og øjnene1999 Canto alla secunda Giornata1999 Introduction and Three Allegros1999 Outland2001 Maestro2003 Et Familieselskab i Helsingør2004 Skriftestolen - operatrailer i fire afsnit2004 Monstersymfoni2004 Maestrovariationer2005 Den gamle vandrende Ridder2006 Hul igennem2006 Skriftestolen2007 The Monkey2007 The Poet2007 The Poet2008 Burning Fiery Furnace2008 Syndfloden over Norderney2009 Kongen af Himmelby - Demo2009 Symfoni nr. 2 - Snapshot Symphony2009 Frøen2009 In the Shadow of the Bat2009 Atlantis Revisited2009 Kongen af Himmelby