Eugen von Falkenhayn (4 September 1853 – 3 January 1934) was a German General of the Cavalry, commanding officer of the XXII Reserve Corps in World War I and Lord Chamberlain of Empress Auguste Viktoria.

His brother Arthur (1857–1929) became tutor of Crown Prince Wilhelm while Erich (1861–1922), became Prussian minister of war and chief of the German General Staff.

Guard Dragoon Regiment "Queen Victoria of Great Britain and Ireland" and in 1898 Chief of Staff of the IX Army Corps.

Falkenhayn retired on 2 May 1910, was promoted to "General der Kavallerie" and appointed Oberhofmeister (Lord Chamberlain) of Empress Augusta Viktoria.

In 1916 the XXII Reserve Corps was deployed at the Battle of Verdun and sent to the Eastern Front (World War I) to counter the Brusilov Offensive, it returned to Germany in November 1918 and Falkenhayn retired on 30 June 1919.