USS Louisiana
Five ships of the United States Navy have been named USS Louisiana, according to the U.S. state of Louisiana:
- USS Louisiana ( 1812), a sloop in service from 1812 onwards
- USS Louisiana ( 1861), a steamboat in service from 1861 to 1864
- USS Louisiana ( BB -19 ), a battleship of the Connecticut class, in service 1906-1920
- Not built USS Louisiana ( BB -71), a planned battleship of the Montana - class
- USS Louisiana (SSBN-743), a submarine of the Ohio class, in service since 1997
- Ship name of the United States Navy