James Kimble Vardaman Jr. (1894–1972) was an American lawyer who served as a member of the Federal Reserve Board of Governors from 1946 to 1958 .

He was a US Navy captain during World War II, and political aide to President Harry S. Truman.

[1] During World War II, he joined the United States Navy and served in Algeria.

Vardaman chose Clark Clifford as his assistant, who would soon bypass him and be appointed as Truman's special counsel in 1946.

[1] For his World War II service in the Navy, Vardaman received the Legion of Merit and the Silver Star.