USS Louisiana - Definition and Overview

Five commissioned ships of the United States Navy have borne the name USS Louisiana in honor of the 18th state.

• The first Louisiana was a sloop that served in the War of 1812.
• The second Louisiana was a sidewheel steamer that served in the American Civil War.
• The third Louisiana was a Connecticut-class battleship.
• The fourth ship to be given the name Louisiana was a Montana-class battleship cancelled before her keel was laid down.
• The fifth ship to be commissioned Louisiana was an Ohio-class submarine.

In addition, there was one ship, the CSS Louisiana, to be commissioned by the Confederacy during the American Civil War.