There have been at least four United States Navy ships named Alabama, after the southern state of Alabama.
- The first Alabama was a 74-gun ship of the line, started in 1818, though never completed as such. She was eventually launched in 1864 as the storeship New Hampshire.
- The second Alabama (BB-8) was a battleship commissioned in 1900 and scrapped in 1924.
- The third Alabama (BB-60) was a battleship commissioned 1942 and converted to a museum ship in 1964.
- The fourth Alabama (SSBN 731) is an Ohio-class ballistic missile submarine.