Frank Arthur Vanderlip Sr. (November 17, 1864 – June 30, 1937) was an American banker and journalist. He was president of the National City Bank of New York (now Citibank) from 1909 to 1919, and Assistant Secretary of the Treasury from 1897 to 1901. Vanderlip is known for his part in founding the Federal Reserve System and for founding the first Montessori school in the United States, the Scarborough School and the group of communities in Palos Verdes, California.