Emil Hartmann (1 February 1836, Denmark – 18 July 1898, Copenhagen, Denmark) was a Danish composer, fourth generation of composers in the Danish Hartmann musical family. He had three sons, Johannes Palmer Hartmann (1870-1948) who established a large horticulture in Ghent, specialised in palm trees, Rudolph Puggaard Hartmann (1871-1958), engineer, and Oluf Hartmann (1879-1910), a renowned painter, as well as two daughters, Bodil Neergaard (1867-1959), a philanthropist and patron of the arts, and Agnete Lehmann (1868-1902), actress at the Royal Theatre in Copenhagen, and wife of Julius Lehmann (1861-1931), theatre and opera instructor.