Georges Octave Dujardin-Beaumetz (27 November 1833, Barcelona – 15 February 1895, Paris) was a French physician and hygienist. He was the father of biologist Édouard Dujardin-Beaumetz (1868–1947).
He studied medicine in Paris, where he became a hospital interne in 1857. In 1862 he received his medical doctorate with the dissertation "De l'ataxie locomotrice", and three years later began work as chef de clinique at the faculty of medicine. From 1877 to 1884 he served as chef de service at the Hôpital Saint-Antoine, and afterwards worked in a similar capacity at the Hôpital Cochin.
He was a member of the Académie de médecine, and of the Legion of Honour (1871). He was also an editor of the "Bulletin général de thérapeutique médicale, chirurgicale, obstétricale et pharmaceutique".
Several of his works (lessons on clinical therapy) have been translated into English, such as: