
Thorvald Aagaard was a Danish composer, organist and college teacher.

Hans Abrahamsen is a Danish composer born in Kongens Lyngby near Copenhagen.

Aksel Agerby was a Danish composer, organist, and music administrator. He also operated his own Music Publishing company, which published both his work and those of others.

Harald Søltoft Agersnap was a Danish composer, conductor, cellist, and pianist. He studied with Otto Malling and Carl Nielsen, as well as with his father, Hans Agersnap.

Birgitte Alsted is a Danish violinist, teacher and composer.

Carl Joachim Andersen was a Danish flutist, conductor and composer born in Copenhagen, son of the flutist Christian Joachim Andersen. Both as a virtuoso and as composer of flute music, he is considered one of the best of his time. He was considered to be a tough leader and teacher and demanded as such a lot from his orchestras but through that style he reached a high level.

Julius Andreas Bechgaard was a Danish composer of piano pieces, songs, and operas.

Victor Emanuel Bendix was a Jewish Danish composer, conductor and pianist. His teachers included Niels Gade.

Jørgen Liebenberg Bentzon was a Danish composer, cousin of Danish composer Niels Viggo Bentzon and flautist Johan Bentzon. He was a student of Carl Nielsen from 1915 until 1919.

Niels Viggo Bentzon was a Danish composer and pianist.

Andreas Peter Berggreen was a Danish composer, organist, and pedagogue.

Axel Ejnar Hakon Børresen was one of the foremost Danish composers of the 20th century.

Niels Erling Emmanuel Brene was a Danish composer. He was born and died in Copenhagen. In 1948 he won a bronze medal in the art competitions of the Olympic Games for his orchestral composition Vigeur (Vigour).

Gregers Brinch is a Danish composer.

Viggo Brodersen was a Danish composer and pianist. Among his teachers in Copenhagen was Louis Glass. Much of his work is for his own instrument.

Nicolaus Bruhns was a Danish-German organist, violinist, and composer. He was one of the most prominent organists and composers of his generation.

Dieterich Buxtehude was a Danish-German organist and composer of the Baroque period. His organ works represent a central part of the standard organ repertoire and are frequently performed at recitals and in church services. He composed in a wide variety of vocal and instrumental idioms, and his style strongly influenced many composers, including Johann Sebastian Bach, his student. Today, Buxtehude is considered one of the most important composers in Germany of the mid-Baroque.

August Enna was a Danish composer, known mainly for his operas.

Ida Henriette da Fonseca was a Danish opera singer and composer.

John Frandsen is a Danish composer, organist and choral conductor, whose work includes operas, chamber music, and religious music. His 1999 Now Flashes the White Light of the Spirit commissioned to celebrate the 150th anniversary of the establishment of the Danish Evangelical Lutheran Church was performed simultaneously in over 100 Danish churches on the day of the anniversary.

Niels Wilhelm Gade was a Danish composer, conductor, violinist, organist and teacher. He is considered the most important Danish musician of his day.

Louis Christian August Glass was a Danish composer.

Pelle Gudmundsen-Holmgreen was a Danish composer.

Asger Hamerik (Hammerich), was a Danish composer of classical music.

Amalia Emma Sophie Hartmann née Zinn was a Danish composer who used the pseudonym Frederick H. Palmer to publish music. She was married to the composer Johan Peter Emilius Hartmann (1805–1900). They lived on the second floor in the Zinn House at Kvæsthusgade 3 in Copenhagen.

Johan Peter Emilius Hartmann was a Danish composer. During his lifetime, Hartmann occupied a central place in Danish musical life.

Peter Heise was a Danish composer, best known for the opera Drot og Marsk.

Valdemar Fini Henriques was a Danish composer and violinist.

Eduard Holst was a Danish playwright, composer, actor, dancer, and dance master. His name is spelled sometimes Edward Holst or Edvard Holst.

Christian Frederik Emil Horneman was a Danish composer, conductor, music publisher, and music instructor.

Friedrich Daniel Rudolf Kuhlau was a Danish pianist and composer during the late Classical and early Romantic periods. He was a central figure of the Danish Golden Age and is immortalized in Danish cultural history through his music for Elves' Hill, the first true work of Danish National Romanticism and a concealed tribute to the absolute monarchy. To this day it is his version of this melody which is the definitive arrangement.

Friedrich Ludwig Æmilius Kunzen was a German composer and conductor who lived and worked for much of his life in Denmark.

Peter Erasmus Lange-Müller was a Danish composer and pianist. His compositional style was influenced by Danish folk music and by the work of Robert Schumann; Johannes Brahms; and his Danish countrymen, including J.P.E. Hartmann.

Rued Langgaard was a late-Romantic Danish composer and organist. His then-unconventional music was at odds with that of his Danish contemporaries but was recognized 16 years after his death.
Eduard Lassen was a Belgian-Danish composer and conductor. Although of Danish birth, he spent most of his career working as the music director at the court in Weimar. A moderately prolific composer, Lassen produced music in a variety of genres including operas, symphonic works, piano works, lieder, and choral works among others. His most successful pieces were his fine vocal art songs for solo voice and piano which often used elements of German and Belgian folk music.

Nanna Magdalene Liebmann was a Danish, music educator, music critic, concert promoter and composer. She studied at The Royal Danish Academy of Music with Victor Bendix, Johann Christian Gebauer, J.P.E. Hartmann, Niels W. Gade, August Winding and Carl Helsted. At the conservatory she met composer Axel Liebmann, whom she married in 1874. He died soon afterward and she turned to composing and teaching music to support herself and her child. Most of her compositions are written between 1869 and 1914, and she wrote reviews for Dannebrog.

Martin Lohse is a Danish classical composer and visual artist.

Hans Christian Lumbye was a Danish composer of waltzes, polkas, mazurkas and galops, among other things.

Frederik Reesen Magle is a Danish composer, concert organist, and pianist. He writes contemporary classical music as well as fusion of classical music and other genres. His compositions include orchestral works, cantatas, chamber music, and solo works, including several compositions commissioned by the Danish Royal Family. Magle has gained a reputation as an organ virtuoso, and as a composer and performing artist who does not refrain from venturing into more experimental projects – often with improvisation – bordering jazz, electronica, and other non-classical genres.

Franz Xaver Neruda was a Danish cellist and composer of Moravian origin.

Carl August Nielsen was a Danish composer, conductor and violinist, widely recognized as his country's most prominent composer.

Karl Henrik Ludolf Nielsen was a Danish composer, violinist, conductor, and pianist. Today he is considered as one of the most important Danish composers of the early 1900s.

Per Nørgård is a Danish composer.

Holger Simon Paulli was a Danish conductor and composer. Paulli composed an opera, thirteen ballets, an overture, and pieces for violin and lieder.

Knudåge Riisager was a Danish composer. His work was part of the music event in the art competition at the 1928 Summer Olympics.

Poul Ruders is a Danish composer.

Siegfried Saloman was a Danish violinist and composer. A contemporary of Franz Liszt, he was a pupil of Johannes Frederik Fröhlich, Holger Simon Paulli, Frederik Thorkildsen Wexschall and Johan Peter Emilius Hartmann, from whom he received violin-playing lessons. He toured extensively throughout Europe with the Swedish opera singer Henriette Nissen, to whom he was married in 1850. In 1842 his nine booklets of romances and songs were published in Hamburg.

Johann Adolph Scheibe was a German-Danish composer and significant critic and theorist of music.

Ludvig Schytte was a Danish composer, pianist, and teacher.

Christoph(er) Ernst Friedrich Weyse was a Danish composer during the Danish Golden Age.