The following Confederate units and commanders fought in the First Battle of Bull Run on July 21, 1861. The Union order of battle is shown separately. Order of battle compiled from the army organization during the battle^[1] and the reports.^[2]

Abbreviations used

Military rank

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

Other

(w) = wounded
(mw) = mortally wounded
(k) = killed in action
(c) = captured

Confederate forces

BG Joseph E. Johnston,^[3] Commanding

Army of the Potomac

Main article: Confederate Army of the Potomac

BG P. G. T. Beauregard

General Staff:

Chief of Staff: Col Thomas Jordan
Chief Engineer: Ltc Thomas H. Williamson
Chief Signal Officer: Cpt Edward P. Alexander

Headquarters Escort:

Lay's Squadron (Virginia) Cavalry: Cpt John F. Lay

Brigade	Regiments and Others
First Brigade BG Milledge L. Bonham	11th North Carolina: Col William W. Kirkland 2nd South Carolina: Col Joseph B. Kershaw 3rd South Carolina: Col James H. Williams 7th South Carolina: Col Thomas G. Bacon 8th South Carolina: Col Ellerbe B. C. Cash 8th Louisiana: Col Henry B. Kelly Wickham's Squadron (Virginia) Cavalry: Cpt Williams C. Wickham 30th Virginia Cavalry, Troops C and G: Col Richard C. W. Radford Munford's Squadron (Virginia) Cavalry: Ltc Thomas T. Munford Alexandria (Virginia) Light Artillery: Cpt Delaware Kemper Richmond Howitzers Battalion Artillery, 1st Battery: Cpt John C. Shields
Second Brigade BG Richard S. Ewell	5th Alabama: Col Robert E. Rodes 6th Alabama: Col John J. Seibels 6th Louisiana: Col Isaac G. Seymour Washington (Louisiana) Artillery, 1st Company: Cpt Thomas L. Rosser Jenifer's Squadron (Virginia) Cavalry: Ltc William H. Jenifer
Third Brigade BG David R. Jones	17th Mississippi: Col Winfield S. Featherston 18th Mississippi: Col Erasmus R. Burt 5th South Carolina: Col Micah Jenkins 30th Virginia Cavalry, Troop H: Cpt Joel W. Flood Washington (Louisiana) Artillery, 2nd Company: Cpt Merritt B. Miller
Fourth Brigade BG James Longstreet	5th North Carolina: Ltc Joseph P. Jones 1st Virginia: Maj Frederick G. Skinner 11th Virginia: Col Samuel Garland, Jr. 17th Virginia: Col Montgomery D. Corse Independent Squad Texas Rangers 30th Virginia Cavalry, Troop E: Cpt Edgar Whitehead Washington (Louisiana) Artillery, 3rd Company, Second Section: Lt John J. Garnett
Fifth Brigade Col Philip St. George Cocke	8th Virginia: Col Eppa Hunton 18th Virginia: Col Robert E. Withers 19th Virginia: Ltc John B. Strange 28th Virginia: Col Robert T. Preston 49th Virginia (3 companies): Col William Smith Schaeffer's Virginia Battalion (3 companies): Cpt Francis B. Schaeffer Loudoun (Virginia) Cavalry: Cpt William W. Mead 30th Virginia Cavalry, Troops B and D: Cpt G. W. H. Hale Loudoun (Virginia) Battery: Cpt Arthur L. Rogers Lynchburg (Virginia) Artillery, First Section: Cpt H. Grey Latham
Sixth Brigade Col Jubal A. Early	7th Louisiana: Col Harry T. Hays 13th Mississippi: Col William Barksdale 7th Virginia: Col James L. Kemper 24th Virginia (6 companies): Ltc Peter Hairston, Jr. Scott's Squadron (Virginia) Cavalry: Maj John Scott Washington (Louisiana) Artillery, 1st and 4th Companies: Lt Charles W. Squires
Seventh (Demi) Brigade Col Nathan G. Evans	1st Louisiana Special Battalion: Maj Chatham R. Wheat (w) 4th South Carolina: Col John B. E. Sloan 30th Virginia Cavalry, Troops A and I: Cpt William R. Terry Lynchburg (Virginia) Artillery, Second Section: Lt George S. Davidson
Reserve Brigade BG Theophilus H. Holmes	1st Arkansas: Col James F. Fagan 2nd Tennessee: Col William B. Bate Purcell (Virginia) Artillery: Cpt R. Lindsay Walker
Unassigned Infantry	Hampton's (South Carolina) Legion: Col Wade Hampton (w), Cpt James Conner

Army of the Shenandoah

Main article: Army of the Shenandoah (Confederate)

BG Joseph E. Johnston