Osann

Osann is a surname of German origin. Notable people with the surname include:


 * Emil Osann (1787–1842), German physician and physiologist
 * Friedrich Gotthilf Osann (1794–1858), German classical philologist, brother of Emil and Gottfried
 * Gottfried Osann (1796–1866), German chemist and physicist, brother of Emil and Friedrich
 * Kate Osann, American cartoonist