Wilson Lee Frost (December 27, 1925 – May 5, 2018) was an American politician and former Chicago, Illinois alderman, Frost served as alderman of the city's 21st (1967–1971) and 34th wards (1971–1987), totaling twenty years in Chicago's City Hall. In December 1976, Frost served as interim mayor after the death of Chicago mayor Richard J. Daley and was briefly claimed to be Daley's successor. Had Frost successfully established this claim, he would have been the city's first African-American mayor.