Siege of Suffolk order of battle: Union

The following Union Army units and commanders fought in the Siege of Suffolk of the American Civil War. The Confederate order of battle is listed separately. The casualties are derived from the Official Records.

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
 * m = missing

Department of Virginia & VII Corps
MG Erasmus D. Keyes (6–14 April) MG John A. Dix (14 April-15 July)

Suffolk Garrison
MG John J. Peck
 * Assistant Adjutant General: Maj Benjamin B. Foster
 * Quartermaster General: Cpt George S. Dodge

North Atlantic Blockading Squadron
Acting Rear Admiral Samuel P. Lee 9k, 16w, 4m = 29