Preston Brady Delano (April 2, 1886 – August 31, 1961) was a United States Comptroller of the Currency from October, 1938 to 1953. He inherited this Office from an Acting Comptroller of the Currency from April 1938 to September 1938 named Marshall R. Diggs. He graduated from Stanford University in 1909. Preston Delano held office for 14 years, the longest term of any Comptroller. Delano was a businessman, investment counselor, and served as governor of the Home Loan Bank Board when appointed Comptroller by President Franklin D. Roosevelt.