Langsdorff may refer to:
People Georg von Langsdorff AKA Grigori Ivanovich Langsdorf (1774–1852), German-Russian naturalist, explorer, and physician, and Russian diplomat Hans Langsdorff (1894–1939), German naval officer, commanding officer of Admiral Graf Spee in the Battle of the River Plate Karl Christian von Langsdorf (1757–1834), German mathematician, geologist, natural scientist, and engineer
Other Langsdorff's toucanet, an alternative name for the golden-collared toucanet