John Joseph Cranley (born February 28, 1974) is an American lawyer and politician who served as the 69th Mayor of Cincinnati, Ohio from 2013 to 2022. A member of the Democratic Party, he was a member of the Cincinnati City Council and a partner of City Lights Development. Cranley is a graduate of Harvard Law School and Harvard Divinity School and co-founder of the Ohio Innocence Project at the University of Cincinnati College of Law. Before his election as mayor, he was an attorney with the law firm of Keating Muething & Klekamp. He was a candidate for the Democratic Party's nomination in the 2022 Ohio gubernatorial election, losing the primary to former Dayton, Ohio mayor Nan Whaley.