The mayor of Sault Ste. Marie, Ontario is the chief executive officer of the municipality. Those elected to the role preside over meetings of city council and are the primary spokesperson for the city and council. In addition, the mayor has certain powers under Part VI.1 of Ontario's Municipal Act, 2001 to direct the work of city staff and determine the organizational structure of city hall.
The mayor is the only office elected on a city-wide basis. Currently this election is conducted every four-years, at the same time as councillor elections, on a first-past-the-post basis.
The city of Sault Ste. Marie has had 28 mayors since its incorporation.
Prior to becoming a city in 1912, Sault Ste. Marie had been a township governed by a council that included a mayor and six councillors elected at-large. Once incorporated as a city on April 16, 1912, the former town mayor William H. Munro became the first mayor of the new city. Munro and the city council governed the city until their terms ended early the following year.
Voters had the opportunity to elect their first mayor and city council in January 1913. Thomas E. Simpson and eight aldermen were elected at-large from across the city. At the time the mayor and council were elected to a one-year term with elections occurring each January.
The city's current mayor is Matthew Shoemaker, a former two-term city councillor, who was sworn in on November 15, 2022 Mayors currently serve a four-year term.