Buchner is a German surname. Notable people with this surname include the following:
Joseph Andreas Buchner (1776–1854), German historian
August Buchner (1591–1661), German influential Baroque poet
Johann Andreas Buchner (1783–1852), German pharmacologist
Ludwig Andreas Buchner (1813–1897), German pharmacologist
Hans Ernst August Buchner (1850-1902), German bacteriologist
Eduard Buchner (1860–1917), German chemist and zymologist
Edward Franklin Buchner (1868-1929), American psychologist.