USS Spot (SS-413) was a Balao-class submarine of the United States Navy, named for the spot, a small sciaenoid food fish of the Atlantic coast, with a black spot behind its shoulders. Spot was laid down on 24 August 1943 by the Mare Island Navy Yard, Vallejo, Calif.; launched on 19 May 1944; sponsored by Mrs. A. A. Gieselmann; and commissioned on 3 August 1944, Commander William S. Post, Jr., in command.