USS Plymouth may refer to the following ships operated by the United States Navy:
, a sloop-of-war, was part of Commodore Matthew Perry's Black Fleet , a wooden-hulled, screw sloop-of-war, was commissioned as Kenosha and served just after the American Civil War , a screw steamer, transported materiel to France during World War I , a patrol gunboat, was lost during World War II.
See also