Illarion Illarionovich Vasilchikov
Illarion I. Vasilchikov in 1850s
Born	1805
Died	12 November 1862 Kiev, Russian Empire
Allegiance	Russian Empire
Service / branch	Imperial Russian Army
Rank	lieutenant general
Commands	Chief of Staff to general Menshikov's Crimea command, 1855.[1] Kiev Military District

Illarion Illarionovich Vasilchikov (1805 – 12 November 1862) was an Imperial Russian general and the great grandson of emperor Alexander I of Russia. He was the son of Illarion Vasilyevich Vasilchikov and Vera Vasilchikova. He was the father of Sergei Vasilchikov. One of his daughters married Alexander Meyendorf. He was a recipient of the Order of Saint Alexander Nevsky, the Order of Saint Anna, the Order of Saint Vladimir and the Order of the White Eagle (Russian Empire). He is buried at Kiev Pechersk Lavra in Ukraine.

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