# List of Louisiana Union Civil War units

This is a list of regiments from the U.S. state of Louisiana that fought in the Union Army during the American Civil War (1861–1865). The list of Louisiana Confederate Civil War units is shown separately.

## Artillery

* 1st Louisiana Regiment Heavy Artillery (African Descent)
* 1st Louisiana Battery Light Artillery (African Descent)
* 2nd Louisiana Battery Light Artillery (African Descent)
* 3rd Louisiana Battery Light Artillery (African Descent)

## Cavalry

* 1st Louisiana Regiment Cavalry
* 2nd Louisiana Regiment Cavalry

## Infantry

* 1st Louisiana Regiment Infantry
* 1st Louisiana Regiment New Orleans Infantry
* 2nd Louisiana Regiment Infantry
* 2nd Louisiana Regiment New Orleans Infantry
* 1st Louisiana Regiment Native Guard Infantry
* 2nd Louisiana Regiment Native Guard Infantry
* 3rd Louisiana Regiment Native Guard Infantry
* 4th Louisiana Regiment Native Guard Infantry
* 5th Louisiana Regiment Infantry (African Descent)
* 6th Louisiana Regiment Infantry (African Descent)
* 7th Louisiana Regiment Infantry (African Descent)
* 8th Louisiana Regiment Infantry (African Descent)
* 9th Louisiana Regiment Infantry (African Descent)
* 10th Louisiana Regiment Infantry (African Descent)
* 11th Louisiana Regiment Infantry (African Descent)
* 12th Louisiana Regiment Infantry (African Descent)

## Unit redesignation

| Regiment | Corps d'Afrique Regiment | U.S. Colored Troops Regiment | Notes |
| 1st Louisiana Regiment Heavy Artillery (African Descent) | 1st Corps d'Afrique Regiment Heavy Artillery | 7th United States Colored Regiment Heavy Artillery 10th United States Colored Regiment Heavy Artillery | |
| 1st Louisiana Battery Light Artillery (African Descent) | | 2nd United States Colored Regiment Light Artillery (Battery C) | |
| 2nd Louisiana Battery Light Artillery (African Descent) | | 2nd United States Colored Regiment Light Artillery (Battery D) | |
| 3rd Louisiana Battery Light Artillery (African Descent) | | 2nd United States Colored Regiment Light Artillery (Battery E) | |
| 1st Louisiana Regiment Cavalry | | | |
| 2nd Louisiana Regiment Cavalry | | | Consolidated with 1st Louisiana Cavalry September 1864 |
| | 1st Corps d'Afrique Regiment Cavalry | 4th United States Colored Cavalry Regiment | |
| 1st Louisiana Regiment New Orleans Infantry | | | |
| 2nd Louisiana Regiment New Orleans Infantry | | | |
| 1st Louisiana Regiment Infantry | | | |
| 2nd Louisiana Regiment Infantry | | | |
| 1st Louisiana Regiment Native Guard Infantry | 1st Corps d'Afrique Regiment Infantry | 73rd United States Colored Infantry Regiment | |
| 2nd Louisiana Regiment Native Guard Infantry | 2nd Corps d'Afrique Regiment Infantry | 74th United States Colored Infantry Regiment | |
| 3rd Louisiana Regiment Native Guard Infantry | 3rd Corps d'Afrique Regiment Infantry | 75th United States Colored Infantry Regiment | |
| 4th Louisiana Regiment Native Guard Infantry | 4th Corps d'Afrique Regiment Infantry | 76th United States Colored Infantry Regiment | |
| 5th Louisiana Regiment Infantry (African Descent) | | | Failed to complete organization |
| 6th Louisiana Regiment Infantry (African Descent) | | | Mustered out after 60 days |
| 7th Louisiana Regiment Infantry (African Descent) | | 64th United States Colored Infantry Regiment | |
| 8th Louisiana Regiment Infantry (African Descent) | | 47th United States Colored Infantry Regiment | |
| 9th Louisiana Regiment Infantry (African Descent) | | 5th United States Colored Regiment Heavy Artillery 63rd United States Colored Infantry Regiment | |
| 10th Louisiana Regiment Infantry (African Descent) | | 48th United States Colored Infantry Regiment | |
| 11th Louisiana Regiment Infantry (African Descent) | | 49th United States Colored Infantry Regiment | |
| 12th Louisiana Regiment Infantry (African Descent) | | 50th United States Colored Infantry Regiment | |
| | 1st Corps d'Afrique Regiment Engineers | 95th United States Colored Infantry Regiment | |
| | 2nd Corps d'Afrique Regiment Engineers | 96th United States Colored Infantry Regiment | |
| | 3rd Corps d'Afrique Regiment Engineers | 97th United States Colored Infantry Regiment | |
| | 4th Corps d'Afrique Regiment Engineers | 98th United States Colored Infantry Regiment | |
| | 5th Corps d'Afrique Regiment Infantry | 77th United States Colored Infantry Regiment | |
| | 6th Corps d'Afrique Regiment Infantry | 78th United States Colored Infantry Regiment | |
| | 7th Corps d'Afrique Regiment Infantry | 79th United States Colored Infantry Regiment | |
| | 8th Corps d'Afrique Regiment Infantry | 80th United States Colored Infantry Regiment | |
| | 9th Corps d'Afrique Regiment Infantry | 81st United States Colored Infantry Regiment | |
| | 10th Corps d'Afrique Regiment Infantry | 82nd United States Colored Infantry Regiment | |
| | 11th Corps d'Afrique Regiment Infantry | 83rd United States Colored Infantry Regiment | |
| | 12th Corps d'Afrique Regiment Infantry | 84th United States Colored Infantry Regiment | |
| | 13th Corps d'Afrique Regiment Infantry | 85th United States Colored Infantry Regiment | |
| | 14th Corps d'Afrique Regiment Infantry | 86th United States Colored Infantry Regiment | |
| | 15th Corps d'Afrique Regiment Infantry 5th Corps d'Afrique Engineers | 99th United States Colored Infantry Regiment | |
| | 16th Corps d'Afrique Regiment Infantry | 87th United States Colored Infantry Regiment | |
| | 17th Corps d'Afrique Regiment Infantry | 88th United States Colored Infantry Regiment | |
| | 18th Corps d'Afrique Regiment Infantry | 90th United States Colored Infantry Regiment | |
| | 19th Corps d'Afrique Regiment Infantry | 91st United States Colored Infantry Regiment | |
| | 20th Corps d'Afrique Regiment Infantry | 91st United States Colored Infantry Regiment | |
| | 22nd Corps d'Afrique Regiment Infantry | 92nd United States Colored Infantry Regiment | |
| | 25th Corps d'Afrique Regiment Infantry | 93rd United States Colored Infantry Regiment | |