Carl Nielsen was a Danish composer.

Carl Nielsen may also refer to:

• Carl O. Nielsen (1868–1950), Norwegian businessperson
• Carl Nielsen (rower) (1930–1991), Danish rower
• Carl Nielsen Academy of Music
• Carl Nielsen Edition, the composer's works in a bilingual practical-scientific version on a music philological basis
• Carl Nielsen International Music Competition, a competition for classical musicians held in Odense, Denmark
• Carl Nielsen Museum, a museum dedicated to the life of the composer

• List of compositions by Carl Nielsen
• Carl Nilsson (disambiguation)

This disambiguation page lists articles associated with the title Carl Nielsen.
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