The 1991 Guelph municipal election was held on November 12, 1991, in Guelph, Ontario, Canada, to elect the Mayor of Guelph, Guelph City Council and the Guelph members of the Upper Grand District School Board (Public) and Wellington Catholic District School Board.

The election was one of many races across the province of Ontario.

It was also the first since 1930 to use wards to elect members of city council rather a citywide vote.

Names in bold denotes elected candidates.

Mayoral race Ward 1 Councillor, 2 To Be Elected Ward 2 Councillor, 2 To Be Elected Ward 3 Councillor, 2 To Be Elected Ward 4 Councillor, 2 To Be Elected Ward 5 Councillor, 2 To Be Elected Ward 6 Councillor, 2 To Be Elected The Guelph Tribune, November 13, 1991