Twelve Spanish ships of the Spanish Navy have borne the name Castilla, after the region of Castilla:
, patache in the Royal Navy of Flanders , corvette, 12 guns , ship of the line, 62 guns, launched in 1729 in Guarnizo, commissioned on 11 January 1730, scrapped in 1736 in Havana , ship of the line, 60 guns, launched in 1737 in Havana, sunk in Veracruz by a storm in 1751 , ship of the line, 64 guns, constructed in Guarnizo, sunk on 30 September 1769 by a storm near Veracruz , ship of the line, 58 guns, constructed in Ferrol, prison ship for French in 1808, burned by French in 1810 in Cádiz , first steamship in the Spanish Navy, built at Ditchburn & Mare (London) in 1846, decommissioned in 1868 Castilla (1842), formerly the Mexican Navy's , a steam paddle frigate constructed at Green & Wigram (London) in 1842, purchased from Mexico in 1846, the first steamer to cross the Atlantic west-to-east, in 1848 , unprotected cruiser commissioned in 1882 and sunk in the Battle of Manila Bay in 1898 during the Spanish–American War Castilla (TA-21), ex–, an attack cargo ship acquired in 1965 and scrapped in 1982 Castilla (L-21), ex–, an attack transport acquired in 1980, decommissioned in 1998, and scrapped in 2000 , a commissioned in 2000