Oberthür (or Oberthur), a German and French-Alsatian family name, may refer to:
Companies Oberthur Technologies, a French security services company Imprimerie Oberthur (Oberthur Printing), a historical French printing company founded by François-Charles Oberthür Oberthur Cash Protection, a French manufacturer of banknote protection systems
People Charles Oberthür (composer) (1819–1895), German harpist and composer Franz Oberthür (1745–1831), German Roman Catholic theologian François-Charles Oberthür (1818–1893), French printer and amateur entomologist Charles Oberthür (entomologist) (1845–1924), son of François-Charles Oberthür, French entomologist specialised in Lepidoptera René Oberthür (1852–1944), son of François-Charles Oberthür, French entomologist specialised in Coleoptera