|3rd Louisiana Regiment Native Guard Infantry|
|Country||United States of America|
|Allegiance||File:US flag 34 stars.svg USA|
|Branch||Union Army, American Civil War|
|Engagements||Siege of Port Hudson|
Red River Campaign
Battle of Mansura
Battle of Yellow Bayou
|Col John A. Nelson|
The unit was organized at New Orleans, Louisiana, November 24, 1862 and remained there until May, 1863. Between May and July, the regiment was involved in the Siege of Port Hudson.
Corps de Afrique
The designation was changed to 3rd Regiment, Corps de Afrique June 6 at Port Hudson. The Confederate garrison at Port Hudson surrendered on July 9, five days after the fall of Vicksburg farther up the Mississippi River.
United States Colored Troops
The unit designation was changed once again to the 75th United States Colored Troops on April 4, 1864. The 75th participated in the Red River Campaign with engagements at the Battle of Mansura on May 16 and the Battle of Yellow Bayou on May 18.
The regiment remained on duty in southern Louisiana for the remainder of the war and mustered out November 25, 1865.
- Port Hudson order of battle
- Dyer, Frederick Henry (1908). Compendium of the War of the Rebellion: Regimental Histories. New York: T. Yoseloff. http://www.perseus.tufts.edu/hopper/text.jsp?doc=Perseus%3Atext%3A2001.05.0146%3Achapter%3D16%3Aregiment%3Dreg155.