Greenwich Bay, is a bay on the coast of Rhode Island in the United States near Warwick, RI and East Greenwich, Rhode Island off of Narragansett Bay.

The United States Navy seaplane tender USS Greenwich Bay, in commission from 1945 to 1966, was named for the bay.

•  This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here. (See ship namesake paragraph.)

41°40′28″N 71°24′50″W / 41.67444°N 71.41389°W / 41.67444; -71.41389