John Williams Macy Jr. (April 6, 1917 – December 22, 1986) was a United States government administrator and civil servant.

He worked as an intern at the National Institute of Public Affairs from 1938–1939 and later became an administrative aide of the Social Security Board (1939–1940).

He enlisted during World War II, served in the U.S. Army from 1943 to 1946, and attained the rank of captain fighting in the China theater.

[1] Archived June 10, 2011, at the Wayback Machine He left government service in 1958 to act as the executive vice-president of his alma mater, Wesleyan University.

He insisted that on ability and character without regard to religion or race or color or section.” Macy left the CSC in 1969 and served as president for the Corporation for Public Broadcasting (1969–1972).

Macy also authored several books, including Public Service: Human Side of Government (1971) and To Irrigate a Wasteland (1974).