First Corps, Army of Tennessee

First Corps, Army of Tennessee
The Polk pattern battle flag
Active	1862 – 1865
Disbanded	April 26, 1865
Country	Confederate States
Branch	Confederate States Army
Role	Headquarters
Size	Corps
Part of	Army of Tennessee
Nickname(s)	Polk's Corps Cheatham's Corps Hardee's Corps
Engagements	American Civil War
Commanders
Commanding officers	Lieut. Gen. Leonidas Polk Maj. Gen. Benjamin F. Cheatham Maj. Gen. Patrick Cleburne (acting) Lieut. Gen. William J. Hardee

The First Corps, Army of Tennessee, commonly known as Polk's Corps, Cheatham's Corps, or Hardee's Corps, was a corps of the Army of Tennessee.