The fifth USS Porpoise (SS–172) was laid down at the U.S. Navy Yard, Portsmouth, New Hampshire, 27 October 1933; launched 20 June 1935; sponsored by Miss Eva Croft; and commissioned 15 August 1935 by Lt. Comdr.

The third USS Porpoise (SS-7) was an early Plunger-class submarine in the service of the United States Navy, later renamed as A-6.

Five United States Navy ships have borne the name Porpoise.