18th Indiana Infantry Regiment

18th Regiment Indiana Volunteer Infantry
Flag of the United States, 1865-1867
Active	August 16, 1861, to August 28, 1865
Country	United States
Allegiance	Union
Branch	Infantry
Engagements	Battle of Pea Ridge Battle of Cotton Plant Battle of Grand Gulf Battle of Port Gibson Battle of Champion Hill Battle of Big Black River Bridge Siege of Vicksburg - Assaults of May 19 & 22 Siege of Jackson Battle of Brownsville Battle of Fort Esperanza Battle of Berryville Third Battle of Winchester Battle of Fisher's Hill Battle of Cedar Creek

The 18th Indiana Volunteer Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.

• The 18th Indiana Volunteer Infantry was organized at Indianapolis, Indiana, on August 16, 1861.
• Battle of Pea Ridge
• Battle of Port Gibson
• Battle of Champion Hill
• Battle of Big Black River
• Siege of Vicksburg
• Battle of Cedar Creek
• The regiment mustered out of service on August 28, 1865.

The regiment lost 5 officers and 68 enlisted men killed in action or died of wounds and 1 officers and 130 enlisted men who died of disease, for a total of 204 fatalities.^[1]

• Colonel Thomas Pattison
• Colonel Henry Dana Washburn

• List of Indiana Civil War regiments
• Indiana in the Civil War

• The Civil War Archive - Indiana Units
• Civil War - Indiana