List of Maryland Civil War units

Infantry

 * 1st Regiment Maryland Volunteer Infantry
 * 1st Maryland Infantry, Potomac Home Brigade
 * 1st Regiment Maryland Eastern Shore Regiment
 * 2nd Regiment Maryland Volunteer Infantry
 * 2nd Regiment Maryland Eastern Shore Infantry
 * 2nd Maryland Infantry, Potomac Home Brigade
 * 3rd Regiment Maryland Volunteer Infantry
 * 3rd Maryland Infantry, Potomac Home Brigade
 * 4th Regiment Maryland Volunteer Infantry
 * 4th Regiment Potomac Home Brigade Infantry
 * 5th Regiment Maryland Volunteer Infantry
 * 6th Regiment Maryland Volunteer Infantry
 * 7th Regiment Maryland Volunteer Infantry
 * 8th Regiment Maryland Volunteer Infantry
 * 9th Regiment Maryland Volunteer Infantry
 * 10th Regiment Maryland Volunteer Infantry
 * 11th Regiment Maryland Volunteer Infantry
 * 12th Regiment Maryland Volunteer Infantry
 * 13th Regiment Maryland Volunteer Infantry
 * 19th Regiment Maryland Volunteer Infantry
 * Purnell Legion Infantry
 * Baltimore Light Guard Infantry
 * Patapsco Guard

Cavalry

 * 1st Regiment Maryland Volunteer Cavalry
 * 2nd Regiment Maryland Volunteer Cavalry
 * 3rd Regiment Maryland Volunteer Cavalry - Bradford Dragoons
 * 1st Regiment Potomac Home Brigade - Cole's
 * Purnell Legion Maryland Volunteer Cavalry
 * Smith's Independent Company Maryland Volunteer Cavalry

Artillery

 * 1st Regiment Maryland Heavy Artillery
 * Rigby's Battery "A" Maryland Light Artillery
 * Battery "A" Junior Maryland Light Artillery
 * Snow's Battery "B" Maryland Light Artillery
 * Battery "B" Junior Maryland Light Artillery
 * Battery "D" Maryland Light Artillery
 * Baltimore Independent Battery Light Artillery