List of Arkansas Civil War Union units

Like almost all Southern states during the American Civil War, Arkansas provided a number of units to fight for the Union from African-Americans and Northern sympathizers. 5,526 African-Americans served in units raised from the State of Arkansas.

Infantry

 * 1st Regiment Arkansas Volunteer Infantry
 * 1st Regiment Arkansas Volunteer Infantry (African Descent) later the 46th U.S. Colored Troops
 * 1st Battalion Arkansas Volunteer Infantry
 * 2nd Regiment Arkansas Volunteer Infantry
 * 2nd Regiment Arkansas Volunteer Infantry (African Descent) later the 54th U. S. Colored Troops
 * 3rd Regiment Arkansas Volunteer Infantry
 * 3rd Regiment Arkansas Volunteer Infantry (African Descent) later the 56th U.S. Colored Troops
 * 4th Regiment Arkansas Volunteer Infantry
 * 4th Regiment Arkansas Volunteer Infantry (African Descent) later the 57th U.S. Colored Troops
 * 5th Regiment Arkansas Volunteer Infantry (African Descent) later the 112th U.S. Colored Troops
 * 6th Regiment Arkansas Volunteer Infantry (African Descent) later the 113th U.S. Colored Troops

Cavalry

 * 1st Regiment Arkansas Volunteer Cavalry
 * 2nd Regiment Arkansas Volunteer Cavalry
 * 3rd Regiment Arkansas Volunteer Cavalry
 * 4th Regiment Arkansas Volunteer Cavalry

Artillery

 * 1st Battery, Arkansas Light Artillery
 * 1st Battery, Arkansas Light Artillery (African Descent) later the Battery "H," 2nd U.S. Colored Light Artillery