List of Missouri Union Civil War units

Long-Enlistment Infantry Regiments

 * 1st Missouri Volunteer Infantry - Reorganized as batteries of 1st Missouri Lt Arty
 * 1st Missouri Regiment of Colored Infantry - 62nd Regt United States Colored Troops
 * 2nd Missouri Volunteer Infantry
 * 2nd Missouri Regiment of Colored Infantry - 65th Regt United States Colored Troops
 * 3rd Missouri Volunteer Infantry
 * 3rd Missouri, US Reserve Corps Infantry (Three Years Service)
 * 3rd Missouri Regiment of Colored Infantry - 67th Regt United States Colored Troops
 * 4th Missouri Volunteer Infantry
 * 4th Missouri Regiment of Colored Infantry - 68th Regt United States Colored Troops
 * 5th Missouri Volunteer Infantry
 * 6th Missouri Volunteer Infantry - "Bates Guards"
 * 7th Missouri Volunteer Infantry - "The Irish Regiment", "The Irish Seventh"
 * 8th Missouri Volunteer Infantry - "American Zouaves"
 * 9th Missouri Volunteer Infantry - "Washington Zouaves"
 * 10th Missouri Volunteer Infantry
 * 11th Missouri Volunteer Infantry
 * 12th Missouri Volunteer Infantry
 * 13th Missouri Volunteer Infantry
 * Western Sharpshooters-14th Missouri Volunteer Infantry - (formerly) Birge's Western Sharpshooters (later 66th Illinois Volunteer Infantry Regiment (Western Sharpshooters))
 * 15th Missouri Volunteer Infantry
 * 16th Missouri Volunteer Infantry - Failed to complete organization
 * 17th Missouri Volunteer Infantry - "Western Turner Rifles"
 * 18th Missouri Volunteer Infantry
 * 18th U.S. Colored Infantry - Organized in Missouri "At Large"
 * 19th Missouri Volunteer Infantry - Failed to complete organization
 * 20th Missouri Volunteer Infantry
 * 21st Missouri Volunteer Infantry
 * 22nd Missouri Volunteer Infantry
 * 23rd Missouri Volunteer Infantry
 * 24th Missouri Volunteer Infantry - The Lyon Legion
 * 25th Missouri Volunteer Infantry
 * 26th Missouri Volunteer Infantry
 * 27th Missouri Volunteer Infantry
 * 27th Missouri Volunteer Mounted Infantry
 * 29th Missouri Volunteer Infantry
 * 30th Missouri Volunteer Infantry - "Shamrock Regiment" (second Missouri Irish Regiment)
 * 31st Missouri Volunteer Infantry
 * 32nd Missouri Volunteer Infantry
 * 33rd Missouri Volunteer Infantry
 * 34th Missouri Volunteer Infantry - Failed to complete organization
 * 35th Missouri Volunteer Infantry
 * 35th Missouri Volunteer Infantry
 * 36th Missouri Volunteer Infantry
 * 37th Missouri Volunteer Infantry - Failed to complete organization
 * 38th Missouri Volunteer Infantry - Failed to complete organization
 * 39th Missouri Volunteer Infantry
 * 40th Missouri Volunteer Infantry
 * 41st Missouri Volunteer Infantry
 * 42nd Missouri Volunteer Infantry
 * 43rd Missouri Volunteer Infantry
 * 44th Missouri Volunteer Infantry
 * 45th Missouri Volunteer Infantry
 * 46th Missouri Volunteer Infantry
 * 47th Missouri Volunteer Infantry
 * 48th Missouri Volunteer Infantry
 * 49th Missouri Volunteer Infantry
 * 50th Missouri Volunteer Infantry
 * 51st Missouri Volunteer Infantry
 * 52nd Missouri Volunteer Infantry
 * 53rd Missouri Volunteer Infantry
 * 54th Missouri Volunteer Infantry
 * 56th Missouri Volunteer Infantry

Short-Enlistment Infantry Regiments

 * 1st Missouri Volunteer Infantry (3 Months, 1861)
 * 1st Missouri, US Reserve Corps Infantry (3 months, 1861)
 * 1st Northeast Regiment of Missouri Infantry, 1861
 * 2nd Missouri Volunteer Infantry (3 months, 1861)
 * 2nd Missouri, US Reserve Corps Infantry (3 months, 1861)
 * 2nd Northeast Regiment of Missouri Infantry, 1861
 * 3rd Missouri Volunteer Infantry (3 months, 1861) "Lyon's Fahnenwacht" (Lyon's Color Guard)
 * 3rd Missouri, US Reserve Corps Infantry (3 months, 1861)
 * 4th Missouri Volunteer Infantry (3 months, 1861) "Schwarze Jäger" (Black [Rifle] Hunters)
 * 4th Missouri, US Reserve Corps Infantry (3 months, 1861)
 * 5th Missouri Volunteer Infantry (3 months, 1861)
 * 5th Missouri, US Reserve Corps Infantry (3 months, 1861)

Early War Home Guard Organizations

 * Fourteenth Missouri Volunteers (Lafayette County Home Guard)
 * Adair County Home Guard Company Infantry (Mounted)
 * Adair County Home Guard Company Infantry
 * Allen's Citizens Corps Home Guard (Calhoun, Henry Co)
 * Benton County Home Guard Regiment Infantry
 * Boonville Battalion Home Guard Infantry
 * Brookfield Company Home Guard Infantry (Linn Co)
 * Caldwell County Company Home Guard Infantry
 * Cape Girardeau Battalion Home Guard Infantry
 * Carondelet County Company Home Guard Infantry
 * Cass County Regiment Home Guard Infantry
 * Clinton County Company Home Guard Infantry (Org by BG Lyon)
 * Clinton County Company Home Guard Infantry (Org by Col Tuttle)
 * Cole County Regiment Home Guard Infantry
 * Dallas County Regiment Home Guard Infantry
 * De Kalb County Regiment Home Guard Infantry
 * De Doto County Company Home Guard Infantry
 * Douglas County Company Home Guard Infantry
 * Franklin County Regiment Home Guard Infantry
 * Fremont Rangers Home Guard Infantry (5 Companies)
 * Gasconade County Battalion Home Guard Infantry (2nd)
 * Green County Company Home Guard Infantry
 * Gentry County Regiment Home Guard Infantry
 * Green And Christian Counties Company Home Guard Infantry
 * Harrison County Regiment Home Guard Infantry
 * Jefferson City Battalion Home Guard Infantry
 * Johnson County Regiment Home Guard Infantry
 * King's Company Railroad Guard
 * Knox County Regiment Home Guard Infantry
 * Lawrence County Regiment Home Guard Infantry
 * Lewis County Company Home Guard Infantry
 * Lexington County Company Home Guard Infantry
 * Livingston County Company Home Guard Infantry
 * Marion County Battalion Home Guard Infantry
 * Moniteau County Company Home Guard Infantry
 * Nodaway County Regiment Home Guard Infantry
 * Osage County Battalion Home Guard Infantry
 * Osage County Regiment And Hickory County Battalion Home Guard Infantry
 * Ozark County Regiment Home Guard Infantry
 * Pacific Battalion (ink's) Home Guard Infantry
 * Pettis County Regiment Home Guard Infantry
 * Phelps County Company Home Guard Infantry (maries Co. Indpt. Company)
 * Phelps County Company Home Guard Infantry (bennight's)
 * Phelps' Regiment Of Home Guard Infantry (green County)
 * Pike County Regiment Home Guard Infantry
 * Pilot Knob Company Home Guard Infantry
 * Polk County Regiment Home Guard Infantry
 * Potosi County Regiment Home Guard Infantry
 * Putnam County Home Guard Infantry - (2 Companies)
 * St. Charles County Battalion Home Guard Infantry (krekel's)
 * Scott County Battalion Home Guard Infantry
 * Sibley Point Home Guard Company (adair County)
 * Stonas Independent Company Ozark County Home Guard Infantry
 * Stone Prairie (barry County) Company Home Guard Infantry
 * Stone County Regiment Home Guard Infantry
 * Shawneetown (putnam County) Home Guard Company Infantry
 * Sullivan County Home Guard Infantry (2 Companies)
 * Shelby County Company Home Guard Infantry
 * Webster County Regiment Home Guard Infantry

Enrolled Missouri Militia

 * 1st Enrolled Missouri Militia
 * 2nd Enrolled Missouri Militia
 * 3rd Enrolled Missouri Militia
 * 4th Enrolled Missouri Militia
 * 5th Enrolled Missouri Militia
 * 6th Enrolled Missouri Militia
 * 7th Enrolled Missouri Militia
 * 8th Enrolled Missouri Militia
 * 9th Enrolled Missouri Militia
 * 10th Enrolled Missouri Militia
 * 11th Enrolled Missouri Militia
 * 13th Enrolled Missouri Miltia
 * 16th Enrolled Missouri Militia
 * 17th Enrolled Missouri Militia
 * 22nd Enrolled Missouri Militia
 * 23rd Enrolled Missouri Militia
 * 24th Enrolled Missouri Militia
 * 25th Enrolled Missouri Militia
 * 26th Enrolled Missouri Militia
 * 27th Enrolled Missouri Militia
 * 28th Enrolled Missouri Militia
 * 29th Enrolled Missouri Militia
 * 30th Enrolled Missouri Militia
 * 31st Enrolled Missouri Militia
 * 32nd Enrolled Missouri Militia
 * 33rd Enrolled Missouri Militia
 * 34th Enrolled Missouri Militia
 * 35th Enrolled Missouri Militia
 * 36th Enrolled Missouri Militia
 * 37th Enrolled Missouri Militia
 * 38th Enrolled Missouri Militia
 * 39th Enrolled Missouri Militia
 * 40th Enrolled Missouri Militia
 * 41st Enrolled Missouri Militia
 * 42nd Enrolled Missouri Militia
 * 43rd Enrolled Missouri Militia
 * 44th Enrolled Missouri Militia
 * 45th Enrolled Missouri Militia
 * 46th Enrolled Missouri Militia
 * 47th Enrolled Missouri Militia
 * 48th Enrolled Missouri Militia
 * 49th Enrolled Missouri Militia
 * 50th Enrolled Missouri Militia
 * 51st Enrolled Missouri Militia
 * 52nd Enrolled Missouri Militia
 * 53rd Enrolled Missouri Militia
 * 54th Enrolled Missouri Militia
 * 55th Enrolled Missouri Militia
 * 56th Enrolled Missouri Militia
 * 57th Enrolled Missouri Militia
 * 58th Enrolled Missouri Militia
 * 59th Enrolled Missouri Militia
 * 60th Enrolled Missouri Militia
 * 61st Enrolled Missouri Militia
 * 62nd Enrolled Missouri Militia
 * 63rd Enrolled Missouri Militia
 * 64th Enrolled Missouri Militia
 * 65th Enrolled Missouri Militia
 * 66th Enrolled Missouri Militia
 * 67th Enrolled Missouri Militia
 * 68th Enrolled Missouri Militia
 * 69th Enrolled Missouri Militia
 * 70th Enrolled Missouri Militia
 * 71st Enrolled Missouri Militia
 * 72nd Enrolled Missouri Militia
 * 73rd Enrolled Missouri Militia
 * 74th Enrolled Missouri Militia
 * 75th Enrolled Missouri Militia
 * 76th Enrolled Missouri Militia
 * 77th Enrolled Missouri Militia
 * 78th Enrolled Missouri Militia
 * 79th Enrolled Missouri Militia
 * 80th Enrolled Missouri Militia
 * 81st Enrolled Missouri Militia
 * 82nd Enrolled Missouri Militia
 * 83rd Enrolled Missouri Militia
 * 84th Enrolled Missouri Militia
 * 85th Enrolled Missouri Militia
 * 86th Enrolled Missouri Militia
 * 87th Enrolled Missouri Militia
 * 88th Enrolled Missouri Militia
 * 89th Enrolled Missouri Militia

Provisional Enrolled Missouri Militia

 * 1st Provisional Enrolled Missouri Militia
 * 2nd Provisional Enrolled Missouri Militia
 * 3rd Provisional Enrolled Missouri Militia
 * 4th Provisional Enrolled Missouri Militia
 * 5th Provisional Enrolled Missouri Militia
 * 6th Provisional Enrolled Missouri Militia
 * 7th Provisional Enrolled Missouri Militia
 * 8th Provisional Enrolled Missouri Militia
 * 9th Provisional Enrolled Missouri Militia

Missouri State Militia

 * 1st Battalion Missouri State Militia Infantry "Albins'"

Missouri State Militia Cavalry
 * 1st Missouri State Militia Cavalry
 * 1st Battalion Missouri State Militia Cavalry "Krekel's"
 * 2nd Missouri State Militia Cavalry
 * 2nd Battalion Missouri State Militia Cavalry
 * 3rd Missouri State Militia Cavalry (Old)
 * 3rd Missouri State Militia Cavalry (New)
 * 5th Missouri State Militia Cavalry
 * 5th Missouri State Militia Cavalry (Old)
 * 5th Missouri State Militia Cavalry (New)
 * 6th Missouri State Militia Cavalry
 * 7th Missouri State Militia Cavalry
 * 8th Missouri State Militia Cavalry
 * 9th Missouri State Militia Cavalry
 * 10th Missouri State Militia Cavalry
 * 11th Missouri State Militia Cavalry
 * 12th Missouri State Militia Cavalry
 * 13th Missouri State Militia Cavalry
 * 14th Missouri State Militia Cavalry

Cavalry

 * 1st Missouri Volunteer Cavalry
 * 2nd Missouri Volunteer Cavalry - Merrill's Horse
 * 3rd Missouri Volunteer Cavalry
 * 4th Missouri Volunteer Cavalry
 * 5th Missouri Volunteer Cavalry
 * 6th Missouri Volunteer Cavalry
 * 7th Missouri Volunteer Cavalry
 * 8th Missouri Volunteer Cavalry
 * 9th Missouri Volunteer Cavalry
 * 10th Missouri Volunteer Cavalry
 * 11th Missouri Volunteer Cavalry
 * 12th Missouri Volunteer Cavalry
 * 13th Missouri Volunteer Cavalry
 * 14th Missouri Volunteer Cavalry
 * 15th Missouri Volunteer Cavalry
 * 16th Missouri Volunteer Cavalry
 * 17th Missouri Volunteer Cavalry
 * 18th Missouri Volunteer Cavalry

Artillery

 * Battery A, 1st Missouri Light Artillery
 * Battery B, 1st Missouri Light Artillery
 * Battery C, 1st Missouri Light Artillery
 * Battery D, 1st Missouri Light Artillery
 * Battery E, 1st Missouri Light Artillery
 * Battery F, 1st Missouri Light Artillery
 * Battery G, 1st Missouri Light Artillery
 * Battery H, 1st Missouri Light Artillery
 * Battery I, 1st Missouri Light Artillery
 * Battery K, 1st Missouri Light Artillery
 * Battery L, 1st Missouri Light Artillery
 * Battery M, 1st Missouri Light Artillery
 * Battery A, 2nd Missouri Light Artillery
 * Battery B, 2nd Missouri Light Artillery
 * Battery C, 2nd Missouri Light Artillery
 * Battery D, 2nd Missouri Light Artillery
 * Battery E, 2nd Missouri Light Artillery
 * Battery F, 2nd Missouri Light Artillery - Landgraeber's Battery of Horse Artillery
 * Battery G, 2nd Missouri Light Artillery
 * Battery H, 2nd Missouri Light Artillery
 * Battery I, 2nd Missouri Light Artillery
 * Battery K, 2nd Missouri Light Artillery
 * Battery L, 2nd Missouri Light Artillery
 * Battery M, 2nd Missouri Light Artillery

Engineers

 * Voerster's Independent Company of Sappers and Miners
 * Gerster's Independent Company of Pioneers
 * Smith's Independent Company of Missouri Telegraph Corps
 * Balz's Company of Sappers and Miners
 * Bissell's Engineer Regiment of the West
 * 1st Regiment Missouri Volunteer Engineers