Two British ships have been named Sir Sidney Smith (or Sidney Smith, or Sir Sydney Smith) , after Admiral Sidney Smith:
Governor Simcoe (1793 ship), a British merchant vessel launched in 1793, taken over by the Royal Navy and renamed Sir Sidney Smith (alternatively spelled Sir Sydney Smith) in 1813 during the War of 1812
Sir Sidney Smith, of 114 tons (bm), was launched at Cowes in 1807. She was a West Indiaman. She sank on 28 February 1810 at Port Royal, Jamaica after having arrived in a leaky state.[1]