Volunteers was an artillery regiment of the Union Army during the American Civil War, but served mostly as infantry.

Regiment on duty at Fortress Monroe, Yorktown and Gloucester Point, Virginia, till June 1864, as Heavy Artillery and Infantry.

Regiment concentrated at Washington, District of Columbia, July 1865, and duty there till August.

[1] According to one source in June 1864, the regiment was "the largest regiment ever recruited in the United States, and has men in the following places: At Yorktown, 1,140; at Williamsburgh, 736; at Gloucester Point, 147; at Bermuda Hundred, 270; putting up telegraph, 60; with One Hundred and Forty-eighth New York Volunteers, 46; with First New York Mounted Rifles, 272—transferred; with Eighty-fifth New York Volunteers, 46; with light batteries United States Artillery, 22; with Army of the Potomac, 201—transferred; making a total of 2,928 men and 63 officers."

[2] Regiment lost during service 42 Enlisted men killed and mortally wounded and 2 Officers and 284 Enlisted men by disease.