Atlanta campaign order of battle: First phase, Union

The following Union Army units and commanders fought in the Atlanta campaign of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the campaign.

This order of battle covers the period of May 7 – July 17, 1864. The period July 17 – September 8, 1864, is listed separately.

Military rank

 * MG = Major General
 * BG = Brigadier General
 * Col = Colonel
 * Ltc = Lieutenant Colonel
 * Maj = Major
 * Cpt = Captain

Other

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

Military Division of the Mississippi
MG William T. Sherman Chief of Staff: BG Joseph D. Webster Chief of Artillery: BG William F. Barry Headquarters Guard: 7th Company Ohio Sharpshooters: Lieut. William McCrory

Army of the Cumberland
MG George Henry Thomas Chief of Artillery: BG John M. Brannan Chief of Staff: BG William D. Whipple Escort: Company I, 1st Ohio Cavalry: Lieut. Henry C. Reppert

IV Corps
MG Oliver O. Howard

XIV Corps
MG John M. Palmer

XX Corps
MG Joseph Hooker

Cavalry Corps
BG Washington Elliott, Chief of Cavalry, Army of the Cumberland

Army of the Tennessee
MG James B. McPherson Escort: 4th Company Ohio Cavalry; Company B, 1st Ohio Cavalry

XV Corps
MG John A. Logan

XVI Corps
MG Grenville M. Dodge Escort: 1st Alabama Cavalry; Company A, 52nd Illinois

XVII Corps
MG Francis P. Blair, Jr. Escort: Company M, 1st Ohio Cavalry; Company G, 9th Illinois Mounted Infantry

Army of the Ohio (XXIII Corps)
MG John M. Schofield BG Jacob Dolson Cox Escort: Company G, 7th Ohio Cavalry

Strengths
The following table shows total strengths of each of the major formations at several stages throughout the campaign.