William E. Dunn (March 7, 1926 - August 13, 2016) was elected mayor of Murray, Utah for two four-year terms during 1965-1970, and elected as a Salt Lake County Commissioner from 1970 to 1979. He also ran for the statewide office of Secretary of State for Utah but was defeated in 1972. He was known for his work to resolve Salt Lake County water issues, and to change the county government to a more urban format of county governance.