Charles John Luken (born July 18, 1951, in Cincinnati, Ohio) is an American politician of the Democratic party who was mayor of Cincinnati, Ohio and served in the Ohio's 1st congressional district in the United States House of Representatives.
Luken, who is divorced, has three children.
When Luken left office at the end of 2005 he was the longest serving mayor in Cincinnati's history with 12 years and one month of service in that role.