William M. Brewer (died September 12, 1921) served as mayor of Omaha, Nebraska from 1873 to 1874.
Before his election, Brewer ran a liquor manufacturing business.
As mayor, Brewer focused on using the police to cut down the crime rate.
Brewer resigned two months before the close of his term.
[1] He is buried in Prospect Hill Cemetery in Omaha.