Chattanooga campaign order of battle: Union

The following units and commanders fought in the Chattanooga–Ringgold campaign of the American Civil War on the Union side. The Confederate order of battle is shown separately. Order of battle compiled from the army organization during the campaign, the casualty returns and the reports.

Military rank

 * MG = Major general
 * BG = Brigadier general
 * Col = Colonel
 * Ltc = Lieutenant colonel
 * Maj = Major
 * Cpt = Captain
 * Lt = Lieutenant

Other

 * w = wounded
 * mw = mortally wounded
 * k = killed
 * c = captured

Military Division of the Mississippi
MG Ulysses S. Grant

General Staff:
 * Chief of Staff: BG John A. Rawlins
 * Chief of Transportation: Col Joseph D. Webster

Army of the Cumberland
MG George H. Thomas

General Staff:
 * Chief of Staff: MG Joseph J. Reynolds
 * Assistant Adjutant General: BG William D. Whipple

General Headquarters:
 * 1st Ohio Sharpshooter: Cpt Gershom M. Barber
 * 10th Ohio: Ltc William M. Ward

IV Corps
MG Gordon Granger

XIV Corps
MG John M. Palmer Escort:
 * 1st Ohio Cavalry, Company L: Cpt John D. Barker

Artillery Reserve
BG John M. Brannan

Hooker's Command
MG Joseph Hooker

Escort:
 * Chief of Staff: MG Daniel A. Butterfield
 * 15th Illinois Cavalry, Company K: Cpt Samuel B. Sherer

XI Corps
MG Oliver O. Howard General Headquarters:
 * 8th New York, Independent Company: Cpt Anton Bruhn

Army of the Tennessee
MG William T. Sherman

XV Corps
MG Francis P. Blair