Lee Mortimer (1904–1963) 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, he 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.