Jack Arnold Mabley (October 26, 1915 – January 6, 2006) was an American newspaper reporter and columnist.
After studying journalism at the University of Illinois Urbana-Champaign, where he was the editor of the Daily Illini his senior year, and graduating in 1938, Mabley worked for the City News Bureau, the Associated Press, and then as a reporter for the 'Chicago Daily News before serving four years as a U.S. Navy lieutenant during the war.
Mabley then took up a long-standing post as the well-respected columnist of the Chicago Tribune, writing some 8,000 columns on a wide range of issues.
In addition to his journalistic career, Mabley operated a corporate communications business from Chicago, hosting a nightly radio show.
The Jack Mabley Developmental Center, in Dixon, is a state run residential home for the mentally disabled that was named after him in honour of his generous support and fundraising activities.