| Member Name | Organization |
|---|
| Carey L. O'Halloran | City of Mississauga | | Larry O'Keefe | City of Ottawa | | Bill Obee | | | Marco Oddi | City of Hamilton | | David Ohashi | Regional Municipality of Halton | | Kiyoshi Oka | Regional Municipality of Halton | | Robert Orchin | City of Ottawa | | Gordon J. Ough | County of Wellington |
|
