Count Lev Alekseyevich von Perovski (, also transliterated as Perofsky, Perovskii, Perovskiy, Perovsky, Perowski, and Perowsky; also credited as L.A. Perovski) (9 September 1792 â 21 November 1856) was a Russian nobleman and mineralogist who also served as Minister of Internal Affairs under Nicholas I of Russia.
In 1845, he proposed the creation of the Russian Geographical Society.
The mineral perovskite is named after him.