USS Calypso (SP-632)

The second USS Calypso (SP-632) was a United States Navy patrol vessel in commission from 1917 to 1919.

Calypso was built as a private motorboat of the same name at Morris Heights in the Bronx, New York, in 1909. In June 1917, the U.S. Navy purchased her for use as a section patrol boat during World War I. She was commissioned as USS Calypso (SP-632) in July 1917.

Calypso performed patrol duty along the coast of the northeastern United States for the rest of World War I.

Calypso was transferred to the United States Bureau of Fisheries in September 1919.