Augustus Dayton Clark (died 1990), a 1922 graduate of the United States Naval Academy  and a United States Naval captain, was Commanding Officer of Force Mulberry A (a Mulberry harbour) at Omaha Beach during the Invasion of Normandy on June 6, 1944. He ended his naval career as Chief of Staff for Rear Admiral Wilkes in 1944.
After retiring from the Navy in 1945, Clark joined the advertising department of The Philadelphia Bulletin. He died in Mount Kisco, New York 
-  Papers of A. Dayton Clark, Dwight D. Eisenhower Presidential Library