USS Oleander (1863) was a steamer 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. Oleander, a wooden, side-wheel steamer built at Keyport, New Jersey, was launched 10 January 1863; purchased by the Navy at New York City from James Howe and C. W. Copeland 28 March 1863; and commissioned in the following fortnight, as she joined the South Atlantic Blockading Squadron upon arriving at Port Royal, South Carolina, 11 April.