Stewart Udall, American soldier, lawyer, and politician, 37th United States Secretary of the Interior (d. 2010)

Stewart Lee Udall (January 31, 1920 – March 20, 2010) was an American politician and later, a federal government official. After serving three terms as a congressman from Arizona, he served as Secretary of the Interior from 1961 to 1969, under presidents John F. Kennedy and Lyndon B. Johnson.