Battle of Wilson's Creek order of battle: Union

The following Union Army units^[1] and commanders fought in the Battle of Wilson's Creek of the American Civil War, fought on August 10, 1861, near Springfield, Missouri. The Confederate order of battle is shown separately.

Brigade	Regiments and Others
First Brigade Maj Samuel D. Sturgis	2nd Missouri Infantry (two companies): Maj Peter J. Osterhaus 1st U.S. Infantry (4 companies): Cpt Joseph B. Plummer (w), Cpt Arch Houston Company I, 2nd Kansas Infantry (mounted): Cpt Samuel N. Wood Company D, 1st U.S. Cavalry: Lt Charles W. Canfield Company F, 2nd U.S. Artillery: Cpt James Totten
Second Brigade Col Franz Sigel	3rd Missouri Infantry: Ltc Anselm Albert 5th Missouri Infantry: Col Charles E. Salomon Company I, 1st U.S. Cavalry: Cpt Eugene A. Carr Company C, 2nd U.S. Dragoons: Lt Charles E. Farrand Backof's Battery, Missouri Light Artillery: Lt Edward Schuetzenbach, Lt Frederick Schaefer
Third Brigade Ltc George L. Andrews	1st Missouri Infantry: Ltc George L. Andrews (w), Cpt Theodore Yates 2nd U.S. Infantry (4 companies): Maj Frederick Steele Du Bois’ Battery: Lt John V. Du Bois
Fourth Brigade Col George Deitzler (w)	1st Iowa Infantry: Col John F. Bates 1st Kansas Infantry: Col George Deitzler 2nd Kansas Infantry: Col Robert B. Mitchell (w), Ltc Charles W. Blair 13th Illinois Infantry (21 man detachment): Lt James Beardsley Home Guards: Cpt Clark Wright
Unassigned	Lyon's bodyguard: Unknown^[2] Voerster's Pioneer Company: Cpt John D. Voerster^[2]

Abbreviations used