F. David Radler (born 1942 in Montreal, Quebec) is a Canadian executive active in finance and news media. Radler was once president of Ravelston Corporation, a privately owned corporation owned by Conrad Black and Radler to control their former newspaper empire. Ravelston owned Argus Corporation which in turn controlled Chicago-based Hollinger International. In 2005, 14.1% of Ravelston was owned by Radler.