USS Huron was a Unadilla-class gunboat built for the United States Navy during the American Civil War for blockage duty against the ports and rivers of the Confederate States of America. Huron, a schooner-rigged screw steamer, was launched on 21 September 1861 by Paul Curtis, Boston, Massachusetts, under Navy contract; and commissioned on 8 January 1862 at Boston Navy Yard, Lieutenant John Downes in command.