USS Clover (1863) was a steam operated gunboat acquired by the Union Navy during the American Civil War. She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries. Clover, a steam tug, was purchased as Daisy on 11 November 1863 from Winsor and Co., Philadelphia, Pennsylvania; outfitted at Philadelphia Navy Yard; and commissioned there on 28 November 1863, Acting Ensign J. M. Smiley in command.