The Confederate States War Department was a cabinet-level department in the government of the Confederate States of America responsible for the administration of the affairs of the Confederate States Army.

During its existence, the War Department was the largest department of the Civil Service in the Confederacy.

[1] The War Department was established by Act No.

26 of the Confederate Provisional Congress on February 26, 1861.

There were twelve key positions in the War Department of which four were filled by civilians and eight by military personnel; these positions were:[2] The War Department had several sub-departments in its organization structure: