Thomas Russ Deacon (3 January 1865 – 30 May 1955)[1] was a Canadian politician, the 24th Mayor of Winnipeg in 1913 and 1914.

After working in Northern Ontario lumber camps, he returned to school, eventually graduating in 1891 with a civil engineering degree at the University of Toronto.

[2] After working on the water systems in North Bay, Ontario and on gold mining in Rat Portage, Deacon moved to Winnipeg in 1902 and by 1906 joined the city's council.

[4] He campaigned for mayor on the basis of developing a new source of city water from Shoal Lake in northwestern Ontario.

This Greater Winnipeg Water District Aqueduct system was created during Deacon's terms as mayor.