1939 Toronto municipal election

Municipal elections were held in Toronto, Ontario, Canada, on January 2, 1939. Incumbent Ralph Day was re-elected mayor over former lawyer Lewis Duncan.

Toronto mayor

Day was expected to be acclaimed, but in December lawyer and Liberal Lewis Duncan entered the race. Day but won by a significant margin in a high turnout race.
;Results

Board of Control

All four Board of Control incumbents were reelected despite a group of high-profile challengers. Closest to winning a seat was Alderman William Croft in fifth place. In sixth place was communist Tim Buck and in seventh Alderman Robert Hood Saunders. Finishing surprisingly far back in eighth was former mayor William D. Robbins.
Neither were successful as all four incumbents were reelected.
;Results

City council

;Ward 1
;Ward 2
;Ward 3
;Ward 4
;Ward 5
;Ward 7
;Ward 8
;Ward 9
Results taken from the January 3, 1939 Globe and Mail and might not exactly match final tallies.