List of mayors of St. Thomas, Ontario

This is a list of reeves and mayors of St. Thomas, Ontario, Canada.

St. Thomas was incorporated as a village in 1852, as a town in 1861, and as a city in 1881.

First Panel of Mayors & Reeves of St. Thomas, Ontario, Canada. Located in City Hall, Talbot St. St. Thomas.
Second Panel of Mayors & Reeves of St. Thomas, Ontario, Canada. Located in City Hall, Talbot St. St. Thomas.