USS Louisiana

Five ships of the United States Navy were named USS Louisiana , after the US state of Louisiana :

• USS Louisiana (1812) , a sloop, in service from 1812
• USS Louisiana (1861) , a steamship, in service from 1861 to 1864
• USS Louisiana (BB-19) , a Connecticut-class battleship , in service from 1906 to 1920
• USS Louisiana (BB-71), a planned Montana-class battleship , not built
• USS Louisiana (SSBN-743) , Ohio-class submarine , in service since 1997