The 2003 Guelph municipal election was held on November 10, 2003, 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, but was the only major city in the province where both of the leading candidates for mayor were women.

[1] Names in bold denotes elected candidates.

Two candidates per ward to be elected.

2003 Ontario municipal elections