Osann
# 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
