Count Lev Alekseyevich von Perovski (, also transliterated as Perofsky, Perovskii, Perovskiy, Perovsky, Perowski, and Perowsky; also credited as L.A. Perovski) (9 September 1792 – 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.Congress of Russian Geographical Society may be held in Karelia, January 20, 2010, by Maxim Tikhonov

The mineral perovskite is named after him.

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