David Clements Fulton (February 1, 1838 – March 30, 1899) was an American banker and politician. He was the 16th mayor of Hudson, Wisconsin, and represented St. Croix County in the Wisconsin State Assembly during the 1873 session. During the first administration of President Grover Cleveland, he served as United States marshal for the Western District of Wisconsin. He also served as a Union Army officer during the American Civil War.