9th Illinois Mounted Infantry regiment

9th Regiment Illinois Volunteer Mounted Infantry (3 Years)
Illinois state flag
Active	March 15, 1863, to July 9, 1865
Country	United States
Allegiance	Union
Branch	Mounted Infantry
Equipment	Spencer carbine
Engagements	Battle of Fort Donelson Battle of Shiloh Siege of Corinth Battle of Corinth Vicksburg Campaign Central Mississippi Campaign Battle of Athens Battle of Rocky Face Ridge Battle of Kennesaw Mountain Battle of Peachtree Creek Siege of Atlanta Battle of Jonesborough March to the Sea Carolinas Campaign Battle of Jonesborough

The 9th Regiment Illinois Volunteer Mounted Infantry was a mounted infantry regiment that served in the Union Army during the American Civil War.

The 9th Illinois Infantry was converted to the 9th Illinois Volunteer Mounted Infantry Regiment on March 15, 1863. The regiment fought in the Battle of Athens (1864).

The regiment was mustered out on July 9, 1865.

The regiment suffered 5 officers and 211 enlisted men killed in action or mortally wounded and 1 officer and 200 enlisted men who died of disease, for a total of 417 fatalities.