USS Calumet (SP-723)
 The second USS Calumet (SP-723) was a United States Navy patrol vessel in commission from 1917 to 1919.Calumet was built as a private steam yacht of the same name in 1903 by George Lawley & Son at Neponset Massachusetts. On 9 September 1917 the U.S. Navy acquired her under a free lease from her owner for use as a section patrol boat during World War I. She was commissioned as USS Calumet (SP-723) on 7 December 1917 with Ensign J. J. Phelps USNRF in command.