William Haydon Burns was an American politician. He was Mayor of Jacksonville, Florida, from 1949 to 1965, and served as the 35th Governor of Florida from 1965 to 1967.

Jacksonville is the most populous city proper in the U.S. state of Florida, located on the Atlantic coast of northeastern Florida. It is the seat of Duval County, with which the City of Jacksonville consolidated in 1968. It is the largest city by area in the contiguous United States as of 2020.