21st Wisconsin Infantry Regiment

21st Wisconsin Infantry Regiment
Flag of Wisconsin
Active	September 5, 1862 – June 17, 1865
Country	United States
Allegiance	Union
Branch	Infantry
Size	Regiment
Engagements	American Civil War Kentucky Campaign Battle of Perryville Stones River Campaign Battle of Stones River Tullahoma campaign Battle of Hoover's Gap Chickamauga campaign Battle of Davis's Cross Roads Battle of Chickamauga Atlanta campaign Battle of Rocky Face Ridge Battle of Resaca Battle of Kennesaw Mountain Battle of Marietta Battle of Peachtree Creek Battle of Jonesborough Savannah campaign Carolinas campaign Battle of Bentonville
Commanders
Colonel	Benjamin Sweet
Colonel	Harrison C. Hobart
Lt. Colonel	Michael H. Fitch
Major	Charles H. Walker

The 21st Wisconsin Infantry Regiment was a volunteer infantry regiment that served in the Union Army during the American Civil War. They were assigned for their entire war service to XIV Corps, operating in the western theater of the war.