Two ships of the United States Navy have been named Catalpa.
- The first USS Catalpa (1864), was a screw tug, built in Brooklyn, New York, in 1864 as Conqueror.
- USS Catalpa (AN-10), was launched 22 February 1941 by the Commercial Iron Works.
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.