Adolph Kussmaul (German:Carl Philipp Adolf Konrad Kußmaul; 22 February 1822 – 28 May 1902) was a German physician and a leading clinician of his time. He was born as the son and grandson of physicians at Graben near Karlsruhe and studied at Heidelberg. He entered the army after graduation and spent two years as an army surgeon. This was followed by a period as a general practitioner before he went to Würzburg to study for his doctorate under Virchow.