Virginia provided the following units to the Virginia Militia and the Provisional Army of the Confederate States (PACS), part of the Confederate States Army, during the American Civil War. Despite Virginia's secession from the Union, along with newly created West Virginia, it also supplied 22,000 troops to the Union Army, the third-most troops from a southern state after Tennessee and North Carolina totaling at 22,000. This list includes Virginia Civil War units to both the Confederate States and Union armies.

Infantry units (PACS)

Infantry brigades

Infantry regiments

Infantry battalions

Cavalry units (PACS)

Cavalry brigades

Cavalry regiments

Cavalry battalions, companies, and mounted rifle guards

Irregular units

Artillery units (PACS)

Artillery regiments

Artillery battalions

Light artillery batteries

Heavy artillery batteries

Horse artillery

Virginia State units

Virginia State Line

Virginia militia regiments

Virginia local defense battalions

Union Virginia units