Theodoor Gerard van Lidth de Jeude (8 July 1788 in Tiel – 23 December 1863 in Utrecht) was a Dutch physician, veterinarian, and zoologist and was the first director of the newly established where Veterinary medicine was first taught in the Netherlands in late 1821. His primary contribution to science was the collecting of specimens.
Theodoor Gerard was born as the son of a mayor, Cornelis Philip van Lidth de Jeude (born 11 April 1744 in Tiel; died 27 February 1830 in Tiel) and his wife Anna Margaretha van Ee (born 12 February 1750 in Utrecht; died 28 May 1832 in Tiel). He studied philosophy and medicine at the universities of Utrecht and Leiden from 1806. Subsequently he worked as a physician at a hospital in Utrecht. In 1815 he became Professor of Anatomy and Physiology at the Athaneum in Harderwijk. In 1819 he became adjunct professor of animal science at the Utrecht University.
In 1820 he became professor of veterinary medicine and director of the Veterinary School in Utrecht, where he started in 1821 and taught until 1851. He was also a professor of zoology and became Rector of his alma mater in 1833/34. Lidt de Jeude retired in October 1858 and died five years later.