USS Philadelphia may refer to:
was a gunboat built in 1776 on Lake Champlain and sunk during the Battle of Valcour Island was a 36-gun sailing frigate active in the Quasi-War, captured in the First Barbary War and later burned was a side-wheel steamer used during the American Civil War, commanded by Samuel Phillips Lee was a protected cruiser commissioned in 1890 and in service until 1926 was a light cruiser commissioned 1937, active in World War II, and sold to Brazil in 1951 was a attack submarine commissioned in 1977 and decommissioned in 2010 is a planned amphibious transport dock ordered 31 March 2023.