5th Missouri Cavalry Regiment, also known as the Benton Hussars, was a cavalry unit from Missouri that briefly served in the Union Army during the American Civil War.

The Benton Hussars were organized on 18 September 1861 and fought at Fredericktown in October 1861.

Missouri, to February, 1862, participating in skirmish at Hunter's Farm, near Belmont, Mo., September 26, 1861.

Expedition from Bird's Point against Thompson's forces November 2–12.

Organized by consolidation of Benton Hussars and 3 Companies of Hollan Horse February 14, 1862.

Served unattached, 2nd Division, Army of Southwest Missouri, Dept.