| Friedrich Ernst Ludwig Fischer | |
| Birth Date: | 20 February 1782 |
| Birth Place: | Holy Roman Empire |
| Nationality: | Russian |
| Alma Mater: | University of Halle |
Friedrich Ernst Ludwig Fischer (20 February 1782, Halberstadt – 17 June 1854) was a Russian botanist, born in the Holy Roman Empire. He was director of the St Petersburg botanical garden from 1823 to 1850.
In 1804 he obtained his medical doctorate from the University of Halle, afterwards working as director of Count Razumoffsky's botanical garden in Gorenki (near Moscow). In 1808 he produced a catalogue of plants of the garden. In 1823, he was appointed director of the imperial botanical garden in St. Petersburg by Alexander I. Here, he was involved with establishing a herbarium and library, as well as the planning of numerous scientific expeditions into the interior of Russia. During his final years, he served as a medical councillor for the Ministry of the Interior.[1]
In 1815, he was elected a corresponding member of the Royal Swedish Academy of Sciences. In 1841, his status was changed to that of foreign member.[2]