John Marks (mayor)
 John Robert Marks III (born c. 1947) is the Mayor of the City of Tallahassee Florida. He is Tallahassee's fifth African-American mayor but the first to be elected and won his bid for a third term in the 2010 elections. He received his B.S. degree in 1969 from the Florida State University School of Business and his Juris Doctorate in 1972 from the Florida State University College of Law.