Battle of Atlanta order of battle: Union
The following Union Army units and commanders fought in the Battle of Atlanta of the American Civil War. The Confederate order of battle is listed separately.
Abbreviations used
Military rank
MG = Major generalBG = Brigadier generalCol = ColonelMaj = MajorCpt = CaptainOther
w = Woundedk = KilledMilitary Division of the Mississippi
MG William T. ShermanArmy of the Tennessee
MG James B. McPhersonMG John A. Logan
XV Corps
MG John A. LoganBG Morgan L. Smith
| Division | Brigade | Regiments and others |
First Division BG Charles R. Woods | 1st Brigade Col Milo Smith | |
| First Division BG Charles R. Woods | 2nd Brigade Col James A. Williamson | |
| First Division BG Charles R. Woods | 3rd Brigade Col Hugo A. von Wangelin | |
| First Division BG Charles R. Woods | Artillery Maj Clemens Landgraeber | |
| Second Division BG Morgan L. Smith BG Joseph A. J. Lightburn | 1st Brigade Col James S. Martin | |
| Second Division BG Morgan L. Smith BG Joseph A. J. Lightburn | 2nd Brigade BG Joseph Lightburn Col Wells S. Jones | |
| Second Division BG Morgan L. Smith BG Joseph A. J. Lightburn | Artillery Cpt Francis DeGress | |
| Fourth Division BG William Harrow | 1st Brigade Col Reuben Williams | |
| Fourth Division BG William Harrow | 2nd Brigade Col Charles C. Walcutt | |
| Fourth Division BG William Harrow | 3rd Brigade Col John M. Oliver | |
| Fourth Division BG William Harrow | Artillery Cpt Henry H. Griffiths |
XVI Corps (left wing)
MG Grenville M. Dodge| Division | Brigade | Regiments and others |
Second Division BG Thomas W. Sweeny | 1st Brigade BG Elliott W. Rice | |
| Second Division BG Thomas W. Sweeny | 2nd Brigade Col August Mersey Ltc Robert N. Adams | |
| Second Division BG Thomas W. Sweeny | 3rd Brigade BG William Vandever | |
| Second Division BG Thomas W. Sweeny | Artillery Cpt Frederick Welker | |
| Fourth Division BG John W. Fuller | 1st Brigade Col John Morrill | |
| Fourth Division BG John W. Fuller | 2nd Brigade Col John W. Sprague | |
| Fourth Division BG John W. Fuller | Artillery Cpt Jerome B. Burrows |
|
XVII Corps
MG Francis P. Blair Jr.| Division | Brigade | Regiments and others |
Third Division BG Mortimer D. Leggett | 1st Brigade BG Manning F. Force Col George E. Bryant | |
| Third Division BG Mortimer D. Leggett | 2nd Brigade Col Robert K. Scott Ltc Greenbury F. Wiles | |
| Third Division BG Mortimer D. Leggett | 3rd Brigade Col Adam G. Malloy |
|
| Third Division BG Mortimer D. Leggett | Artillery Cpt William S. Williams | |
| Fourth Division BG Giles A. Smith | 1st Brigade Col Benjamin F. Potts | |
| Fourth Division BG Giles A. Smith | 2nd Brigade Col John A. Logan | |
| Fourth Division BG Giles A. Smith | 3rd Brigade Col William Hall | |
| Fourth Division BG Giles A. Smith | Artillery Cpt Edward Spear |