USS Aquamarine (PYc-7) was a patrol boat in the United States Navy during World War II. Later known as Miss Ann, the ship was listed on the U.S. National Register of Historic Places in 1998. Aquamarine was built in 1925 by Pusey and Jones Corporation, Wilmington, Delaware under the name Siele, the private yacht of John H. French. In 1936 she was sold to Robert H. Wolfe, of Columbus, Ohio, and renamed Seawolf. Seawolf was bought by the Navy on 13 January 1941, and commissioned on 9 April 1941, Lieutenant G. A. Lange in command. She was named for the gemstone aquamarine.