Count Louis Günther of Nassau (15 February 1575 in Dillenburg – 12 September 1604, outside Sluis) was a Count of Nassau-Katzenelnbogen and a Dutch lieutenant general of cavalry in the Eighty Years' War.

He was the thirteenth and youngest child of John VI of Nassau and his first wife Elisabeth of Leuchtenberg (1537–1579).

His cousin appointed him to lieutenant general in 1600 and he excelled in the Battle of Nieuwpoort.

He married on 7 June 1601 with Countess Anna Margareta of Manderscheid-Gerolstein (10 August 1575 – 4 March 1606).

You can help Wikipedia by expanding it.This article about a member of the German nobility is a stub.