This is a list of

regiment A regiment is a military unit. Its role and size varies markedly, depending on the country, service and/or a specialisation. In Medieval Europe, the term "regiment" denoted any large body of front-line soldiers, recruited or conscript ...

s from

Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...

that fought in the

Union Army During the American Civil War, the Union Army, also known as the Federal Army and the Northern Army, referring to the United States Army, was the land force that fought to preserve the Union (American Civil War), Union of the collective U.S. st ...

during the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States. It was fought between the Union (American Civil War), Union ("the North") and t ...

(1861–1865). The list of Missouri Confederate Civil War units is shown separately.

Long-Enlistment Infantry Regiments

* 1st Missouri Volunteer Infantry - Reorganized as batteries of 1st Missouri Lt Arty *

2nd Missouri Volunteer Infantry The 2nd Missouri Infantry Regiment was an infantry regiment, formed from a voluntary regiment using the same name, that served in the Union Army during the American Civil War. 2nd Missouri Volunteer Infantry A voluntary infantry regiment evolve ...

* 3rd Missouri Volunteer Infantry * 3rd Missouri US Reserve Corps Infantry - " Turner Zouaves" * 4th Missouri Volunteer Infantry * 5th Missouri Volunteer Infantry * 6th Missouri Volunteer Infantry - "Bates Guards" *

7th Missouri Volunteer Infantry The 7th Missouri Infantry Regiment, commonly known as the "Irish Seventh", was an infantry regiment that served in the Union Army during the American Civil War. In 1864 a battalion of veteran volunteers of the "Irish Seventh was consolidated with ...

- "The Irish Regiment", "The Irish Seventh" *

8th Missouri Volunteer Infantry The 8th Missouri Infantry Regiment (aka the "American Zouaves") was an infantry regiment in the Union army during the American Civil War. Among its early leaders were Morgan Lewis Smith and Giles Alexander Smith, both of whom later became gene ...

Short-Enlistment Infantry Regiments

* 1st Missouri Volunteer Infantry (3 Months, 1861) * 2nd Missouri Volunteer Infantry (3 months, 1861) * 3rd Missouri Volunteer Infantry (3 months, 1861) "Lyon's Fahnenwacht" (Lyon's Color Guard) * 4th Missouri Volunteer Infantry (3 months, 1861) "Schwarze Jäger" (Black Hunters, aka Black Rifle Hunters) * 5th Missouri Volunteer Infantry (3 months, 1861)
* 1st Northeast Regiment of Missouri Infantry, 1861 * 2nd Northeast Regiment of Missouri Infantry, 1861
* 1st Missouri, US Reserve Corps Infantry (3 months, 1861) * 2nd Missouri, US Reserve Corps Infantry (3 months, 1861) * 3rd Missouri, US Reserve Corps Infantry (3 months, 1861) "Turner-Zuaven" ( Turner Zouaves) * 4th Missouri, US Reserve Corps 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) Clinton is an English toponymic surname, indicating one's ancestors came from English places called Glympton or Glinton.Hanks, P. & Hodges, F. ''A Dictionary of Surnames''. Oxford University Press, 1988 Clinton has frequently been used as a give ...

* 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) * Greene County Company Home Guard Infantry * Gentry County Regiment Home Guard Infantry *

Greene And Christian Counties Company Home Guard Infantry Greene may refer to: Places United States *Greene, Indiana, an unincorporated community *Greene, Iowa, a city *Greene, Maine, a town ** Greene (CDP), Maine, in the town of Greene * Greene (town), New York **Greene (village), New York, in the town ...

Pacific Battalion (ink's) Home Guard Infantry The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

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

7th Missouri State Militia Cavalry 7 (seven) is the natural number following 6 and preceding 8. It is the only prime number preceding a cube. As an early prime number in the series of positive integers, the number seven has greatly symbolic associations in religion, mythology, ...

* 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 1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length&nb ...

* 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 The 12th Missouri Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War and American Indian Wars. Service The 12th Missouri Cavalry Regiment was organized in St. Louis, Missouri from November 3, 186 ...

* 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

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

Engineers

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

Colored Infantry Regiments

* 1st Missouri Regiment of Colored Infantry - 62nd Regt United States Colored Troops * 2nd Missouri Regiment of Colored Infantry - 65th Regt United States Colored Troops * 3rd Missouri Regiment of Colored Infantry - 67th Regt United States Colored Troops * 4th Missouri Regiment of Colored Infantry - 68th Regt United States Colored Troops * 18th U.S. Colored Infantry - Organized in Missouri "At Large"