USS Hastings (1860) was a steamer purchased by the Union Navy during the American Civil War. She was used by the Union Navy as a gunboat assigned to patrol Confederate waterways. Hastings, a small wooden gunboat, was built as Emma Duncan in 1860 at Monongahela, Pennsylvania, and operated as a river transport out of Cincinnati, Ohio. She was purchased at Cairo, Illinois, in March 1863 from J. Bachelor. Fitted out and ready for service in April; her first commanding officer was Acting Master W. N. Griswold. Rear Admiral David Dixon Porter recommended that her name be changed to Hastings 7 April 1863.