The 11th Rhode Island Infantry Regiment was a unit of the Union Army during the American Civil War.

The 11th Rhode Island Infantry Regiment was organized at Camp Stevens Providence, Rhode Island and mustered into service on October 1, 1862, for a term of service of nine months.

District of Alexandria, Defences of Washington, and 22nd Army Corps, to April, 1863.

1st Brigade, 1st Division, 7th Army Corps, Department of Virginia, to June, 1863.

2nd Brigade, 1st Division, 4th Army Corps, Department of Virginia to July, 1863.