Lee Mortimer (1904–March 1, 1963) was an American newspaper columnist, radio commentator, crime lecturer, night club show producer, and author. He was born Mortimer Lieberman in Chicago, but was best known by the pen name he adopted as a young newspaper editor. With Jack Lait, Mortimer co-authored a popular series of books detailing crime in the United States, including New York Confidential, Chicago Confidential, Washington Confidential, and U.S.A. Confidential. He died of a heart attack in New York City on March 1, 1963.