4th United States Colored Cavalry Regiment

4th United States Colored Cavalry 1st Cavalry, Corps d'Afrique
Colored troops at Port Hudson, Louisiana
Active	Sep. 12, 1863 – Mar. 20, 1866
Country	United States
Allegiance	Union
Branch	Cavalry
Type	Regiment
Engagements	American Civil War Action at Olive Branch (1864)
Commanders
Colonel	James Grant Wilson
Lieutenant colonel	Julius Alexander Nathaniel Mitchell

The 4th United States Colored Cavalry Regiment was an African American cavalry regiment that served in the Union Army during the American Civil War. The regiment mustered in as the 1st Cavalry (Corps d'Afrique) at New Orleans on September 12, 1863 and was stationed for the entirety of its existence at various bases throughout Louisiana, mustering out at New Orleans on March 20, 1866.