The St. Catharines municipal election of 2000 was held to elect a mayor and councillors for the city of St. Catharines, Ontario.
|- | align="left" | T. Roy Adams | align="right" | 17,167 | align="right" | 15.18 |- | align="left" | Michael R. Collins | align="right" | 13,890 | align="right" | 12.28 |- | align="left" | Bruce Timms | align="right" | 13,750 | align="right" | 12.16 |- | align="left" | Peter Partington | align="right" | 13,123 | align="right" | 11.61 |- | align="left" | Mark Brickell | align="right" | 13,015 | align="right" | 11.51 |- | align="left" | Brian McMullan | align="right" | 11,571 | align="right" | 10.23 |- | align="left" | Christel Haeck | align="right" | 10,444 | align="right" | 9.24 |- | align="left" | James Wilson | align="right" | 7,670 | align="right" | 6.78 |- | align="left" | Ted Mouradian | align="right" | 6,544 | align="right" | 5.79 |- | align="left" | John E. Kirby | align="right" | 5,900 | align="right" | 5.22 |- bgcolor="#EEEEEE" ! align="left" | Total valid votes ! align="right" | 113,074 ! align="right" | 100.00
Electors could vote for six candidates. <br />Percentages are determined in relation to the total number of votes.