Leonard Dupee White (January 17, 1891 – February 23, 1958) was an American historian who specialized in public administration in the United States.
A founder of the field, White worked at the University of Chicago after service in the administrations of Franklin D. Roosevelt.
In 1934 he went to Washington to serve on the U.S. Civil Service Commission and Central Statistics Board.
The last of White's four historical books subtitled A Study in Administrative History was The Republican Era: 1869–1901.
Next year White posthumously and Schneider shared the 1959 Pulitzer Prize for History.