Bernhard Rudolf Konrad von Langenbeck (9 November 1810 – 29 September 1887) was a German surgeon known as the developer of Langenbeck's amputation and founder of Langenbeck's Archives of Surgery.
He was born at Padingbüttel, and received his medical education at Göttingen, where one of his teachers was his uncle Konrad Johann Martin Langenbeck. He took his doctorate in 1835 with a thesis on the structure of the retina. After a visit to France and England, he returned to Göttingen as Privatdozent, and in 1842 became Professor of Surgery and Director of the Friedrichs Hospital at Kiel. Six years later he succeeded Johann Friedrich Dieffenbach (1794–1847) as Director of the Clinical Institute for Surgery and Ophthalmology at the Charité in Berlin, and remained there till 1882, when failing health forced him to retire.
Langenbeck was a bold and skillful surgeon, but preferred not to operate while other means afforded a prospect of success. He specialised in military surgery and became an authority on the treatment of gunshot wounds. He served as general field-surgeon of the army in the First Schleswig War in 1848 and saw active service in the Second Schleswig War in 1864, being ennobled for his services. He also served in the Austro-Prussian War in 1866, and the Franco-Prussian War of 1870–71. He was in Orléans at the end of 1870 after the city had been taken by the Prussians and in his capacity as surgeon or as consultant tended to the wounded men with whom every public building was packed. He also utilized the opportunities for instruction that thus arose, and the Militär-ärztliche Gesellschaft, which met twice a week for some months, and in the discussions of which every surgeon in the city, irrespective of nationality, was invited to take part, was mainly formed by his energy and enthusiasm. He died at Wiesbaden in September 1887.