Vilno Military District (Russian Empire)

Vilno Military District (Ви́ленский вое́нный о́круг) was a Russian military district of the Imperial Russian Army.

In the Russian Empire, military districts were first formed by Dmitry Milyutin in 1862–64 to replace the pre-existing Military Inspectorates. The military districts were organised to include civilian administration regions of gubernyas and uyezds.

The Vilno Military District comprised the following gubernyas:
 * Vilno
 * Grodno
 * Kovno
 * Kurland
 * Livonia (without Pernov, Fellinskiy, Valkskiy and Verrosskiy uyezds)
 * Vitebsk
 * Mogilev
 * Minsk
 * Suwałki (without the Shchuchinsk uyezd)

The corps headquarters were in Riga.

Units based at Vilno Military District at the outbreak of the First World War:
 * 20th Army Corps