USS Sea Otter

USS Sea Otter may refer to various United States Navy ships:


 * USS Sea Otter (SP-781), a patrol vessel in commission from 1917 to 1919;
 * USS Sea Otter I (IX-51), an experimental auxiliary ship in commission from July to November 1941; and
 * USS Sea Otter II (IX-53), an experimental auxiliary ship in commission from 1941 to 1942.