USS Pomfret (SS-391), a Balao-class submarine, was a ship of the United States Navy named for the pomfret, a fish of the seabream family; a powerful and speedy swimmer, capable of operating at great depths. Pomfret was laid down 14 July 1943 and launched 27 October 1943 by the Portsmouth Navy Yard, in Kittery, Maine, sponsored by Miss Marilyn Maloney, daughter of Senator Francis Maloney; and commissioned 19 February 1944, Commander Frank C. Acker in command.