Dohrn may refer to:
People Anton Dohrn (1840–1909), German biologist and Darwinist Bernardine Dohrn (born 1942), American political radical Carl August Dohrn (1806–1892), German entomologist Georg Dohrn (1867–1942), German conductor and pianist Heinrich Wolfgang Ludwig Dohrn (1838–1913), German entomologist Rinaldo Dohrn or Reinhard Dohrn (1880–1962), German-Italian zoologist Walt Dohrn (born 1970), American voice actor, screenwriter, animator, television director, and comedian
Ships FRV Anton Dohrn, German Fisheries Research Vessel launched 1954 active into 1980s. Anton Dohrn, University of Southern California, Venice Marine Biological Station vessel () active in scientific work on the California coast. , American motor yacht used in scientific work
See also Anton Dohrn Seamount Dohrn's thrush-babbler (Horizorhinus dohrni), a bird endemic to São Tomé and Príncipe