Berthold Karl Adolf von Deimling (21 March 1853, Karlsruhe, Grand Duchy of Baden – 3 February 1944) was a general officer of the German Army during World War I. Deimling entered the army in 1871, following the Franco-Prussian War, and after working on the General Staff and in German South-West Africa rose to command a brigade of infantry in 1907. After the war Deimling became a committed pacifist and a member of the board of directors of the German Peace Society (DFG). He was a member of the German Democratic Party. He died in Baden-Baden.