The following Union Army units and commanders fought in the Battle of Atlanta (July 22, 1864) of the American Civil War. The Confederate order of battle is listed separately.
See main article: Military Division of the Mississippi. MG William T. Sherman
See main article: Army of the Tennessee. MG James B. McPherson (k)
MG John A. Logan
See main article: XV Corps (Union Army). MG John A. Logan
BG Morgan L. Smith
| width=25% | Division | width=25% | Brigade | Regiments and others |
|---|---|---|---|---|
| First Division BG Charles R. Woods | 1st Brigade Col Milo Smith | |||
| 2nd Brigade Col James A. Williamson | ||||
| 3rd Brigade Col Hugo A. von Wangelin (w) | ||||
| Artillery Maj Clemens Landgraeber | ||||
| Second Division BG Morgan L. Smith BG Joseph A. J. Lightburn | 1st Brigade Col James S. Martin | |||
| 2nd Brigade BG Joseph Lightburn Col Wells S. Jones | ||||
| Artillery Cpt Francis DeGress |
| |||
| Fourth Division BG William Harrow | 1st Brigade Col Reuben Williams | |||
| 2nd Brigade Col Charles C. Walcutt | ||||
| 3rd Brigade Col John M. Oliver | ||||
| Artillery Cpt Henry H. Griffiths |
|
See main article: XVI Corps (Union Army). MG Grenville M. Dodge
| width=25% | Division | width=25% | Brigade | Regiments and others |
|---|---|---|---|---|
| Second Division BG Thomas W. Sweeny | 1st Brigade BG Elliott W. Rice | |||
| 2nd Brigade Col August Mersey (w) Ltc Robert N. Adams | ||||
| 3rd Brigade BG William Vandever (garrison duty at Rome) | ||||
| Artillery Cpt Frederick Welker | ||||
| Fourth Division BG John W. Fuller | 1st Brigade Col John Morrill | |||
| 2nd Brigade Col John W. Sprague (engaged at Decatur) | ||||
| Artillery Cpt Jerome B. Burrows |
|
See main article: XVII Corps (Union Army). MG Francis P. Blair, Jr.
| width=25% | Division | width=25% | Brigade | Regiments and others |
|---|---|---|---|---|
| Third Division BG Mortimer D. Leggett | 1st Brigade BG Manning F. Force (w) Col George E. Bryant | |||
| 2nd Brigade Col Robert K. Scott (w) Ltc Greenbury F. Wiles | ||||
| 3rd Brigade Col Adam G. Malloy | ||||
| Artillery Cpt William S. Williams |
| |||
| Fourth Division BG Giles A. Smith | 1st Brigade Col Benjamin F. Potts | |||
| 2nd Brigade Col John A. Logan (on garrison duty in northern Georgia) | ||||
| 3rd Brigade Col William Hall | ||||
| Artillery Cpt Edward Spear |
|