Axel Borup-Jørgensen (22 November 1924 – 15 October 2012) was a Danish composer.

Axel Borup-Jørgensen is born in Hjørring in Denmark, but grew up in Sweden. He studied piano as a major at the Royal Danish Academy of Music in Copenhagen and instrumentation with Poul Schierbeck and Jørgen Jersild. He was one of the first Danish composers to go to the Darmstadt School, but he never composed serial music. Axel Borup-Jørgensen's list of works is long and includes music for orchestra, chamber music, songs with piano and other instruments. Among his works is op. 51 Nordisk Sommerpastorale, which won a composition competition arranged by DR (Danish Radio) in 1965 and the large work for orchestra, Marin, which includes 44 individual string lines, and is regarded as a masterpiece.