Dieffenbach (surname)
Dieffenbach
is a German surname. Notable people with the surname include:
Edouard Dieffenbach
(1897–1972) French military officer, World War I veteran
Ernst Dieffenbach
(1811–1855), German physician, geologist and naturalist
Georg Christian Dieffenbach
(1822–1901), German poet and theologian
Johann Friedrich Dieffenbach
(1792–1847), German surgeon
Joseph Dieffenbach
(1796–1863), German gardener