1st Indiana Cavalry Regiment, also known as the 28th Regiment of Volunteers was a cavalry unit that served in the Union Army during the American Civil War.

The regiment was in action at Cotton Plant, Helena, Bayou Fourche, Pine Bluff, Mount Elba, and Marks' Mills.

One company was detached and fought in several actions in the Vicksburg campaign.

Left State for St. Louis, Mo., August 21; thence moved to Ironton, Mo.

1st Brigade, 3rd (Cavalry) Division, District of Eastern Arkansas, Dept.

1st Brigade, 2nd Cavalry Division, 13th Army Corps, Dept.

1st Brigade, Cavalry Division, District of Eastern Arkansas, to June, 1863.

Clayton's Independent Cavalry Brigade, District of Eastern Arkansas, to July, 1863.

Clayton's Cavalry Brigade, 13th Division, 16th Army Corps, to August, 1863.

Clayton's Cavalry Brigade, Arkansas Expedition, to January, 1864.

Clayton's Cavalry Brigade, 7th Army Corps, Dept.

1st Brigade, Cavalry Division, 7th Army Corps, to February, 1865.

Cavalry Brigade, 13th Army Corps, Dept.

)[1] Scouting and skirmishing in Missouri and Arkansas February to June, 1862.

Action at Bayou Fourche and capture of Little Rock September 10.

Moved to Pine Bluff September 14, and duty there until March, 1864.

Branchville, Ivey's Ford, Pine Bluff, January 19, 1864.

Veterans and Recruits consolidated to a Battalion of 2 Companies, and duty at Pine Bluff until January, 1865.

Moved to mouth of White River and duty there until March 20, 1865.

Company "C" detached as escort to Gen. Hovey, February to July, 1863.

Advance on Bruinsburg and turning Grand Gulf April 25–30.

Ordered to New Orleans, La., August, thence to Brashear City and Berwick; Western Louisiana "Teche" Campaign October 3 – November 30.

[1] Regiment lost during service 4 Officers and 32 Enlisted men killed and mortally wounded and 3 Officers and 148 Enlisted men by disease.