Helen Grace Reswick Scott Keenan (June 16, 1915 – November 20, 1987), more commonly, Helen Grace Scott, was a United States citizen employed in the Office of Strategic Services and later the Office of U.S Chief Counsel for Prosecution of Axis War Criminals on the staff of Justice Robert H. Jackson during World War II. She was also a broadcaster for Free France in Brazzaville, and later in life, as Helen G. Scott, was a close associate of François Truffaut and other French filmmakers.