William S. (Bill) Beaton (August 19, 1896 – April 1, 1956) was a Canadian politician, who was the 22nd mayor of the City of Sudbury, Ontario.
Beaton is credited the elimination of the city's streetcar system, and the construction of the Sudbury Arena.
After a decade as mayor, Beaton was defeated in 1952 by Dan Jessup, a local businessmen.
The municipal election of 1950 represented the start of a key shift in the demographic of city council.
On an interesting side note, Beaton also ran against Peter Fenton, the Mayor of the City of Sudbury from 1930 to 1932.