21st Mississippi Infantry Regiment

21st Mississippi Infantry Regiment
Active1861–1865
Country Confederate States
Allegiance Mississippi
Branch Army
TypeInfantry
SizeRegiment
BattlesAmerican Civil War
Commanders
Notable
commanders
William L. Brandon
Benjamin G. Humphreys

The 21st Regiment, Mississippi Infantry was a Confederate infantry regiment from Mississippi in the American Civil War. The regiment was involved in several well-known battles including the battles of Antietam, Chancellorsville, Gettysburg and Chickamauga.