Nikolaus Georg Gustav von Rauch (6 July 1851 - 28 July 1904) was an Oberst and cavalry officer in the Prussian Army.
He was born in Berlin and served from 1870 until his death, fighting in the Franco-Prussian War and serving as part of Prussia's military delegation to the funeral of Queen Victoria in 1901.
From 1904 until his death he commanded 29th Cavalry Brigade.