Incumbent Mayor John Tory was re-elected for a second term, defeating former Chief City Planner Jennifer Keesmaat with 63.49% of the vote.

[3] Registration for candidates for the office of Mayor officially opened on May 1, 2018, and closed on July 27, 2018, at 2 pm.

[4] Incumbent John Tory has been Mayor of Toronto since being elected in 2014 and launched his bid for re-election on May 1, 2018.

[5] Former city councillor Doug Ford declared his intent to run, but later withdrew to seek the leadership of the Progressive Conservative Party of Ontario.

Former Chief City Planner Jennifer Keesmaat was speculated to be considering entering the race, and after initially indicating she would not run, she announced her candidacy on July 27, 2018, the last day to register as a candidate.