4th Minnesota Infantry

4th Regiment, Minnesota Volunteer Infantry
Flag of Minnesota
Active	Between October 4 and December 23, 1861, to August 7, 1865
Country	United States
Allegiance	Union
Branch	Infantry
Engagements	Vicksburg Campaign Battle of Port Gibson Battle of Raymond Battle of Champion Hill Third Battle of Chattanooga Sherman's March to the Sea Carolinas Campaign Battle of Bentonville

The 4th Minnesota Regiment Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It served in several important campaigns in the Western Theater.

The 4th Minnesota was mustered into Federal service by companies at Fort Snelling, Minnesota, between October 4 and December 23, 1861, and moved to Benton Barracks, St. Louis, Missouri on April 23, 1862.

The 4th Minnesota participated in Maj. Gen. Henry Wager Halleck's advance on and Siege of Corinth, Mississippi, from May 18 to May 30, 1862. The regiment participated in Ulysses S. Grant's Central Mississippi Campaign from November 1862 to January 1863. Participation in Grant's Vicksburg Campaign followed, with the 4th Minnesota fighting in the Battle of Port Gibson on May 1, 1863, the Battle of Raymond on May 12, the Battle of Jackson on May 14, the Battle of Champion's Hill May 16, the Battle of Big Black River on May 17 and the Siege of Vicksburg from May 18 to July 4, 1863. The regiment performed garrison duty at Vicksburg followed the surrender, remaining at that location until September 12, 1863.

The regiment participated in the Third Battle of Chattanooga from November 23–27 1863, then was on garrison duty at Bridgeport and Huntsville in Alabama, until June 1864, having Veteranized during the spring of 1864. It participated in Sherman's March to the Sea from November 15 to December 10, 1864, finishing the war during the Carolinas Campaign from January to April 1865 and then participated in the Grand Review of the Armies on May 24, 1865.