Emma Hartmann née Zinn (b. 22 August 1807, d. 6 March 1851) was a Danish composer who used the pseudonym Frederick H. Palmer to publish music. She was born in Copenhagen, the daughter of J.Fr. Zinn, and studied singing and piano with composer Andreas Peter Berggreen. She married composer J.P.E. Hartmann in 1829 and became the mother of ten children. Her song Emil Hartmann was also a composer, and her daughter Emma Sophie married Danish composer Niels W. Gade.
Hartmann's first published composition was music for a Student Association dance in February 1841, and her pseudonym was revealed in 1869 when the Manual of anonymity and pseudonyms in Danish literature was published. She died in Copanhagen at age 44.
- Viennese waltz, 1841
- Galopade, 1841
- Romances and songs, 1853 (7 songs)
- "Niels Wilhelm Gade (1817-1890); DNK". Retrieved 20 December 2010.
- Sadie, Julie Anne; Samuel, Rhian (1994). The Norton/Grove dictionary of women composers (Digitized online by GoogleBooks). Retrieved 4 October 2010.
- Jensen, Anne Ørbæk (2003). "Emma Hartmann 200 år" (in Danish). Det Kongelige Bibliotek. Retrieved 20 December 2010.