James H. Douglas, Jr. American colonel, lawyer, and politician, 9th United States Deputy Secretary of Defense (d. 1988)

James Henderson Douglas Jr. (March 11, 1899 – February 24, 1988) was a lawyer and senior-level official in the United States Government. He was Assistant Secretary of the Treasury, serving under both President Herbert Hoover and President Franklin Roosevelt. During the Eisenhower Administration, he served in the United States Department of Defense as Secretary of the Air Force and Deputy Secretary of Defense.