Walter Driscoll Smith (November 16, 1875 – September 20, 1955) was an American football player and military officer.

He was a consensus All-American football player in 1900 while enrolled at the United States Military Academy.

A native of Maryland, Smith attended the United States Military Academy at West Point, New York.

In January 1918, he was assigned to the General Headquarters of the American Expeditionary Forces at Chaumont, France, serving as the Chief of Organization and Equipment Division.

Smith participated in major engagements at Champagne-Marne, Aisne-Marne, Somme Offensive, Oise-Aisne, St. Mihiel, and Argonne-Mueuse.