List of municipalities - Ontario
Use the sortable table below to confirm whether a municipality is registered or revoked.
Registered municipalities are qualified donees; therefore, they can issue official donation receipts and are eligible to receive gifts from registered charities.
Revoked municipalities are no longer qualified donees; therefore, they cannot issue official donation receipts and are not eligible to receive gifts from registered charities.
Terminated municipalities are no longer qualified donees. They have either been dissolved or have amalgamated with or been annexed to another municipality; therefore, they cannot issue official donation receipts and are not eligible to receive gifts from registered charities.
Note
Each provincial/territorial government has its own criteria for determining what qualifies as a municipality. This list of municipalities was provided by the government of Ontario. If you believe there is an error, or would like more information, contact the government of Ontario .
List updated as of: April 8, 2015
| Name | Type | Status | Effective date | Notes |
|---|---|---|---|---|
| Addington Highlands, Township of | Lower Tier | Registered | 2012-01-01 | |
| Adelaide-Metcalfe, Township of | Lower Tier | Registered | 2012-01-01 | |
| Adjala-Tosorontio, Township of | Lower Tier | Registered | 2012-01-01 | |
| Admaston/Bromley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Ajax, Town of | Lower Tier | Registered | 2012-01-01 | |
| Alberton, Township of | Single Tier | Registered | 2012-01-01 | |
| Alfred and Plantagenet, Township of | Lower Tier | Registered | 2012-01-01 | |
| Algonquin Highlands, Township of | Lower Tier | Registered | 2012-01-01 | |
| Alnwick/Haldimand, Township of | Lower Tier | Registered | 2012-01-01 | |
| Amaranth, Township of | Lower Tier | Registered | 2012-01-01 | |
| Amherstburg, Town of | Lower Tier | Registered | 2012-01-01 | |
| Armour, Township of | Single Tier | Registered | 2012-01-01 | |
| Armstrong, Township of | Single Tier | Registered | 2012-01-01 | |
| Arnprior, Town of | Lower Tier | Registered | 2012-01-01 | |
| Arran-Elderslie, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Ashfield-Colborne-Wawanosh, Township of | Lower Tier | Registered | 2012-01-01 | |
| Asphodel-Norwood, Township of | Lower Tier | Registered | 2012-01-01 | |
| Assiginack, Township of | Single Tier | Registered | 2012-01-01 | |
| Athens, Township of | Lower Tier | Registered | 2012-01-01 | |
| Atikokan, Town of | Single Tier | Registered | 2012-01-01 | |
| Augusta, Township of | Lower Tier | Registered | 2012-01-01 | |
| Aurora, Town of | Lower Tier | Registered | 2012-01-01 | |
| Aylmer, Town of | Lower Tier | Registered | 2012-01-01 | |
| Baldwin, Township of | Single Tier | Registered | 2012-01-01 | |
| Bancroft, Town of | Lower Tier | Registered | 2012-01-01 | |
| Barrie, City of | Single Tier | Registered | 2012-01-01 | |
| Bayham, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Beckwith, Township of | Lower Tier | Registered | 2012-01-01 | |
| Belleville, City of | Single Tier | Registered | 2012-01-01 | |
| Billings, Township of | Single Tier | Registered | 2012-01-01 | |
| Black River-Matheson, Township of | Single Tier | Registered | 2012-01-01 | |
| Blandford-Blenheim, Township of | Lower Tier | Registered | 2012-01-01 | |
| Blind River, Town of | Single Tier | Registered | 2012-01-01 | |
| Bluewater, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Bonfield, Township of | Single Tier | Registered | 2012-01-01 | |
| Bonnechere Valley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Bracebridge, Town of | Lower Tier | Registered | 2012-01-01 | |
| Bradford West Gwillimbury, Town of | Lower Tier | Registered | 2012-01-01 | |
| Brampton, City of | Lower Tier | Registered | 2012-01-01 | |
| Brant, County of | Single Tier | Registered | 2012-01-01 | |
| Brantford, City of | Single Tier | Registered | 2012-01-01 | |
| Brethour, Township of | Single Tier | Registered | 2012-01-01 | |
| Brighton, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Brock, Township of | Lower Tier | Registered | 2012-01-01 | |
| Brockton, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Brockville, City of | Single Tier | Registered | 2012-01-01 | |
| Brooke-Alvinston, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Bruce, County of | Upper Tier | Registered | 2012-01-01 | |
| Bruce Mines, Town of | Single Tier | Registered | 2012-01-01 | |
| Brudenell, Lyndoch and Raglan, Township of | Lower Tier | Registered | 2012-01-01 | |
| Burk's Falls, Village of | Single Tier | Registered | 2012-01-01 | |
| Burlington, City of | Lower Tier | Registered | 2012-01-01 | |
| Burpee and Mills, Township of | Single Tier | Registered | 2012-01-01 | |
| Caledon, Town of | Lower Tier | Registered | 2012-01-01 | |
| Callander, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Calvin, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Cambridge, City of | Lower Tier | Registered | 2012-01-01 | |
| Carleton Place, Town of | Lower Tier | Registered | 2012-01-01 | |
| Carling, Township of | Single Tier | Registered | 2012-01-01 | |
| Carlow/Mayo, Township of | Lower Tier | Registered | 2012-01-01 | |
| Casey, Township of | Single Tier | Registered | 2012-01-01 | |
| Casselman, Village of | Lower Tier | Registered | 2012-01-01 | |
| Cavan-Monaghan, Township of | Lower Tier | Registered | 2012-01-01 | |
| Central Elgin, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Central Frontenac, Township of | Lower Tier | Registered | 2012-01-01 | |
| Central Huron, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Central Manitoulin, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Centre Hastings, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Centre Wellington, Township of | Lower Tier | Registered | 2012-01-01 | |
| Chamberlain, Township of | Single Tier | Registered | 2012-01-01 | |
| Champlain, Township of | Lower Tier | Registered | 2012-01-01 | |
| Chapleau, Township of | Single Tier | Registered | 2012-01-01 | |
| Chapple, Township of | Single Tier | Registered | 2012-01-01 | |
| Charlton and Dack, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Chatham-Kent, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Chatsworth, Township of | Lower Tier | Registered | 2012-01-01 | |
| Chisholm, Township of | Single Tier | Registered | 2012-01-01 | |
| Clarence-Rockland, City of | Lower Tier | Registered | 2012-01-01 | |
| Clarington, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Clearview, Township of | Lower Tier | Registered | 2012-01-01 | |
| Cobalt, Town of | Single Tier | Registered | 2012-01-01 | |
| Cobourg, Town of | Lower Tier | Registered | 2012-01-01 | |
| Cochrane, Town of | Single Tier | Registered | 2012-01-01 | |
| Cockburn Island, Township of | Single Tier | Registered | 2012-01-01 | |
| Coleman, Township of | Single Tier | Registered | 2012-01-01 | |
| Collingwood, Town of | Lower Tier | Registered | 2012-01-01 | |
| Conmee, Township of | Single Tier | Registered | 2012-01-01 | |
| Cornwall, City of | Single Tier | Registered | 2012-01-01 | |
| Cramahe, Township of | Lower Tier | Registered | 2012-01-01 | |
| Dawn-Euphemia, Township of | Lower Tier | Registered | 2012-01-01 | |
| Dawson, Township of | Single Tier | Registered | 2012-01-01 | |
| Deep River, Town of | Lower Tier | Registered | 2012-01-01 | |
| Deseronto, Town of | Lower Tier | Registered | 2012-01-01 | |
| Dorion, Township of | Single Tier | Registered | 2012-01-01 | |
| Douro-Dummer, Township of | Lower Tier | Registered | 2012-01-01 | |
| Drummond/North Elmsley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Dryden, City of | Single Tier | Registered | 2012-01-01 | |
| Dubreuilville, Township of | Single Tier | Registered | 2012-01-01 | |
| Dufferin, County of | Upper Tier | Registered | 2012-01-01 | |
| Durham, Regional Municipality of | Upper Tier | Registered | 2012-01-01 | |
| Dutton/Dunwich, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Dysart, Dudley, Harcourt, Guilford, Harburn, Bruton, Havelock, Eyre and Clyde, United Townships of | Lower Tier | Registered | 2012-01-01 | |
| Ear Falls, Township of | Single Tier | Registered | 2012-01-01 | |
| East Ferris, Township of | Single Tier | Registered | 2012-01-01 | |
| East Garafraxa, Township of | Lower Tier | Registered | 2012-01-01 | |
| East Gwillimbury, Town of | Lower Tier | Registered | 2012-01-01 | |
| East Hawkesbury, Township of | Lower Tier | Registered | 2012-01-01 | |
| East Zorra-Tavistock, Township of | Lower Tier | Registered | 2012-01-01 | |
| Edwardsburgh/Cardinal, Township of | Lower Tier | Registered | 2012-01-01 | |
| Elgin, County of | Upper Tier | Registered | 2012-01-01 | |
| Elizabethtown-Kitley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Elliot Lake, City of | Single Tier | Registered | 2012-01-01 | |
| Emo, Township of | Single Tier | Registered | 2012-01-01 | |
| Englehart, Town of | Single Tier | Registered | 2012-01-01 | |
| Enniskillen, Township of | Lower Tier | Registered | 2012-01-01 | |
| Erin, Town of | Lower Tier | Registered | 2012-01-01 | |
| Espanola, Town of | Single Tier | Registered | 2012-01-01 | |
| Essa, Township of | Lower Tier | Registered | 2012-01-01 | |
| Essex, County of | Upper Tier | Registered | 2012-01-01 | |
| Essex, Town of | Lower Tier | Registered | 2012-01-01 | |
| Evanturel, Township of | Single Tier | Registered | 2012-01-01 | |
| Faraday, Township of | Lower Tier | Registered | 2012-01-01 | |
| Fauquier-Strickland, Township of | Single Tier | Registered | 2012-01-01 | |
| Fort Erie, Town of | Lower Tier | Registered | 2012-01-01 | |
| Fort Frances, Town of | Single Tier | Registered | 2012-01-01 | |
| French River, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Front of Yonge, Township of | Lower Tier | Registered | 2012-01-01 | |
| Frontenac, County of | Upper Tier | Registered | 2012-01-01 | |
| Frontenac Islands, Township of | Lower Tier | Registered | 2012-01-01 | |
| Gananoque, Town of | Single Tier | Registered | 2012-01-01 | |
| Gauthier, Township of | Single Tier | Registered | 2012-01-01 | |
| Georgian Bay, Township of | Lower Tier | Registered | 2012-01-01 | |
| Georgian Bluffs, Township of | Lower Tier | Registered | 2012-01-01 | |
| Georgina, Town of | Lower Tier | Registered | 2012-01-01 | |
| Gillies, Township of | Single Tier | Registered | 2012-01-01 | |
| Goderich, Town of | Lower Tier | Registered | 2012-01-01 | |
| Gordon/Barrie Island, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Gore Bay, Town of | Single Tier | Registered | 2012-01-01 | |
| Grand Valley, Town of (formerly East Luther Grand Valley, Township of) | Lower Tier | Registered | 2012-01-01 | Effective date of name change 2014-08-12 |
| Gravenhurst, Town of | Lower Tier | Registered | 2012-01-01 | |
| Greater Madawaska, Township of | Lower Tier | Registered | 2012-01-01 | |
| Greater Napanee, Town of | Lower Tier | Registered | 2012-01-01 | |
| Greater Sudbury, City of | Single Tier | Registered | 2012-01-01 | |
| Greenstone, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Grey, County of | Upper Tier | Registered | 2012-01-01 | |
| Grey Highlands, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Grimsby, Town of | Lower Tier | Registered | 2012-01-01 | |
| Guelph, City of | Single Tier | Registered | 2012-01-01 | |
| Guelph/Eramosa, Township of | Lower Tier | Registered | 2012-01-01 | |
| Haldimand County | Single Tier | Registered | 2012-01-01 | |
| Haliburton, County of | Upper Tier | Registered | 2012-01-01 | |
| Halton, Regional Municipality of | Upper Tier | Registered | 2012-01-01 | |
| Halton Hills, Town of | Lower Tier | Registered | 2012-01-01 | |
| Hamilton, City of | Single Tier | Registered | 2012-01-01 | |
| Hamilton, Township of | Lower Tier | Registered | 2012-01-01 | |
| Hanover, Town of | Lower Tier | Registered | 2012-01-01 | |
| Harley, Township of | Single Tier | Registered | 2012-01-01 | |
| Harris, Township of | Single Tier | Registered | 2012-01-01 | |
| Hastings, County of | Upper Tier | Registered | 2012-01-01 | |
| Hastings Highlands, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Havelock-Belmont-Methuen, Township of | Lower Tier | Registered | 2012-01-01 | |
| Hawkesbury, Town of | Lower Tier | Registered | 2012-01-01 | |
| Head, Clara and Maria, Township of | Lower Tier | Registered | 2012-01-01 | |
| Hearst, Town of | Single Tier | Registered | 2012-01-01 | |
| Highlands East, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Hilliard, Township of | Single Tier | Registered | 2012-01-01 | |
| Hilton, Township of | Single Tier | Registered | 2012-01-01 | |
| Hilton Beach, Village of | Single Tier | Registered | 2012-01-01 | |
| Hornepayne, Township of | Single Tier | Registered | 2012-01-01 | |
| Horton, Township of | Lower Tier | Registered | 2012-01-01 | |
| Howick, Township of | Lower Tier | Registered | 2012-01-01 | |
| Hudson, Township of | Single Tier | Registered | 2012-01-01 | |
| Huntsville, Town of | Lower Tier | Registered | 2012-01-01 | |
| Huron, County of | Upper Tier | Registered | 2012-01-01 | |
| Huron East, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Huron Shores, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Huron-Kinloss, Township of | Lower Tier | Registered | 2012-01-01 | |
| Ignace, Township of | Single Tier | Registered | 2012-01-01 | |
| Ingersoll, Town of | Lower Tier | Registered | 2012-01-01 | |
| Innisfil, Town of | Lower Tier | Registered | 2012-01-01 | |
| Iroquois Falls, Town of | Single Tier | Registered | 2012-01-01 | |
| James, Township of | Single Tier | Registered | 2012-01-01 | |
| Jocelyn, Township of | Single Tier | Registered | 2012-01-01 | |
| Johnson, Township of | Single Tier | Registered | 2012-01-01 | |
| Joly, Township of | Single Tier | Registered | 2012-01-01 | |
| Kapuskasing, Town of | Single Tier | Registered | 2012-01-01 | |
| Kawartha Lakes, City of | Single Tier | Registered | 2012-01-01 | |
| Kearney, Town of | Single Tier | Registered | 2012-01-01 | |
| Kenora, City of | Single Tier | Registered | 2012-01-01 | |
| Kerns, Township of | Single Tier | Registered | 2012-01-01 | |
| Killaloe, Hagarty and Richards, Township of | Lower Tier | Registered | 2012-01-01 | |
| Killarney, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Kincardine, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| King, Township of | Lower Tier | Registered | 2012-01-01 | |
| Kingston, City of | Single Tier | Registered | 2012-01-01 | |
| Kingsville, Town of | Lower Tier | Registered | 2012-01-01 | |
| Kirkland Lake, Town of | Single Tier | Registered | 2012-01-01 | |
| Kitchener, City of | Lower Tier | Registered | 2012-01-01 | |
| La Vallee, Township of | Single Tier | Registered | 2012-01-01 | |
| LaSalle, Town of | Lower Tier | Registered | 2012-01-01 | |
| Laird, Township of | Single Tier | Registered | 2012-01-01 | |
| Lake of Bays, Township of | Lower Tier | Registered | 2012-01-01 | |
| Lake of the Woods, Township of | Single Tier | Registered | 2012-01-01 | |
| Lakeshore, Town of | Lower Tier | Registered | 2012-01-01 | |
| Lambton, County of | Upper Tier | Registered | 2012-01-01 | |
| Lambton Shores, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Lanark, County of | Upper Tier | Registered | 2012-01-01 | |
| Lanark Highlands, Township of | Lower Tier | Registered | 2012-01-01 | |
| Larder Lake, Township of | Single Tier | Registered | 2012-01-01 | |
| Latchford, Town of | Single Tier | Registered | 2012-01-01 | |
| Laurentian Hills, Town of | Lower Tier | Registered | 2012-01-01 | |
| Laurentian Valley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Leamington, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Leeds and Grenville, United Counties of | Upper Tier | Registered | 2012-01-01 | |
| Leeds and the Thousand Islands, Township of | Lower Tier | Registered | 2012-01-01 | |
| Lennox and Addington, County of | Upper Tier | Registered | 2012-01-01 | |
| Limerick, Township of | Lower Tier | Registered | 2012-01-01 | |
| Lincoln, Town of | Lower Tier | Registered | 2012-01-01 | |
| London, City of | Single Tier | Registered | 2012-01-01 | |
| Loyalist, Township of | Lower Tier | Registered | 2012-01-01 | |
| Lucan Biddulph, Township of | Lower Tier | Registered | 2012-01-01 | |
| Macdonald, Meredith and Aberdeen Additional, Township of | Single Tier | Registered | 2012-01-01 | |
| Machar, Township of | Single Tier | Registered | 2012-01-01 | |
| Machin, Township of | Single Tier | Registered | 2012-01-01 | |
| Madawaska Valley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Madoc, Township of | Lower Tier | Registered | 2012-01-01 | |
| Magnetawan, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Malahide, Township of | Lower Tier | Registered | 2012-01-01 | |
| Manitouwadge, Township of | Single Tier | Registered | 2012-01-01 | |
| Mapleton, Township of | Lower Tier | Registered | 2012-01-01 | |
| Marathon, Town of | Single Tier | Registered | 2012-01-01 | |
| Markham, City of | Lower Tier | Registered | 2012-01-01 | |
| Markstay-Warren, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Marmora and Lake, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Matachewan, Township of | Single Tier | Registered | 2012-01-01 | |
| Mattawa, Town of | Single Tier | Registered | 2012-01-01 | |
| Mattawan, Township of | Single Tier | Registered | 2012-01-01 | |
| Mattice-Val Côté, Township of | Single Tier | Registered | 2012-01-01 | |
| McDougall, Township of | Single Tier | Registered | 2012-01-01 | |
| McGarry, Township of | Single Tier | Registered | 2012-01-01 | |
| McKellar, Township of | Single Tier | Registered | 2012-01-01 | |
| McMurrich/Monteith, Township of | Single Tier | Registered | 2012-01-01 | |
| McNab/Braeside, Township of | Lower Tier | Registered | 2012-01-01 | |
| Meaford, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Melancthon, Township of | Lower Tier | Registered | 2012-01-01 | |
| Merrickville-Wolford, Village of | Lower Tier | Registered | 2012-01-01 | |
| Middlesex, County of | Upper Tier | Registered | 2012-01-01 | |
| Middlesex Centre, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Midland, Town of | Lower Tier | Registered | 2012-01-01 | |
| Milton,Town of | Lower Tier | Registered | 2012-01-01 | |
| Minden Hills, Township of | Lower Tier | Registered | 2012-01-01 | |
| Minto, Town of | Lower Tier | Registered | 2012-01-01 | |
| Mississauga, City of | Lower Tier | Registered | 2012-01-01 | |
| Mississippi Mills, Town of | Lower Tier | Registered | 2012-01-01 | |
| Mono, Town of | Lower Tier | Registered | 2012-01-01 | |
| Montague, Township of | Lower Tier | Registered | 2012-01-01 | |
| Moonbeam, Township of | Single Tier | Registered | 2012-01-01 | |
| Moosonee, Town of | Single Tier | Registered | 2012-01-01 | |
| Morley, Township of | Single Tier | Registered | 2012-01-01 | |
| Morris-Turnberry, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Mulmur, Township of | Lower Tier | Registered | 2012-01-01 | |
| Muskoka, District Municipality of | Upper Tier | Registered | 2012-01-01 | |
| Muskoka Lakes, Township of | Lower Tier | Registered | 2012-01-01 | |
| Nairn and Hyman, Township of | Single Tier | Registered | 2012-01-01 | |
| Neebing, Municipality of | Single Tier | Registered | 2012-01-01 | |
| New Tecumseth, Town of | Lower Tier | Registered | 2012-01-01 | |
| Newbury, Village of | Lower Tier | Registered | 2012-01-01 | |
| Newmarket, Town of | Lower Tier | Registered | 2012-01-01 | |
| Niagara, Reginoal Municipality of | Upper Tier | Registered | 2012-01-01 | |
| Niagara Falls, City of | Lower Tier | Registered | 2012-01-01 | |
| Niagara-on-the-Lake, Town of | Lower Tier | Registered | 2012-01-01 | |
| Nipigon, Township of | Single Tier | Registered | 2012-01-01 | |
| Nipissing, Township of | Single Tier | Registered | 2012-01-01 | |
| Norfolk County | Single Tier | Registered | 2012-01-01 | |
| North Algona Wilberforce, Township of | Lower Tier | Registered | 2012-01-01 | |
| North Bay, City of | Single Tier | Registered | 2012-01-01 | |
| North Dumfries, Township of | Lower Tier | Registered | 2012-01-01 | |
| North Dundas, Township of | Lower Tier | Registered | 2012-01-01 | |
| North Frontenac, Township of | Lower Tier | Registered | 2012-01-01 | |
| North Glengarry, Township of | Lower Tier | Registered | 2012-01-01 | |
| North Grenville, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| North Huron, Township of | Lower Tier | Registered | 2012-01-01 | |
| North Kawartha, Township of | Lower Tier | Registered | 2012-01-01 | |
| North Middlesex, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| North Perth, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| North Stormont, Township of | Lower Tier | Registered | 2012-01-01 | |
| Northeastern Manitoulin and The Islands,Town of | Single Tier | Registered | 2012-01-01 | |
| Northern Bruce Peninsula, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Northumberland, County of | Upper Tier | Registered | 2012-01-01 | |
| Norwich, Township of | Lower Tier | Registered | 2012-01-01 | |
| Oakville, Town of | Lower Tier | Registered | 2012-01-01 | |
| O'Connor, Township of | Single Tier | Registered | 2012-01-01 | |
| Oil Springs, Village of | Lower Tier | Registered | 2012-01-01 | |
| Oliver Paipoonge, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Opasatika, Township of | Single Tier | Registered | 2012-01-01 | |
| Orangeville, Town of | Lower Tier | Registered | 2012-01-01 | |
| Orillia, City of | Single Tier | Registered | 2012-01-01 | |
| Oro-Medonte, Township of | Lower Tier | Registered | 2012-01-01 | |
| Oshawa, City of | Lower Tier | Registered | 2012-01-01 | |
| Otonabee-South Monaghan, Township of | Lower Tier | Registered | 2012-01-01 | |
| Ottawa, City of | Single Tier | Registered | 2012-01-01 | |
| Owen Sound, City of | Lower Tier | Registered | 2012-01-01 | |
| Oxford, County of | Upper Tier | Registered | 2012-01-01 | |
| Papineau-Cameron, Township of | Single Tier | Registered | 2012-01-01 | |
| Parry Sound, Town of | Single Tier | Registered | 2012-01-01 | |
| Peel, Regional Municipality of | Upper Tier | Registered | 2012-01-01 | |
| Pelee, Township of | Single Tier | Registered | 2012-01-01 | |
| Pelham, Town of | Lower Tier | Registered | 2012-01-01 | |
| Pembroke, City of | Single Tier | Registered | 2012-01-01 | |
| Penetanguishene, Town of | Lower Tier | Registered | 2012-01-01 | |
| Perry, Township of | Single Tier | Registered | 2012-01-01 | |
| Perth, County of | Upper Tier | Registered | 2012-01-01 | |
| Perth, Town of | Lower Tier | Registered | 2012-01-01 | |
| Perth East, Township of | Lower Tier | Registered | 2012-01-01 | |
| Perth South, Township of | Lower Tier | Registered | 2012-01-01 | |
| Petawawa, Town of | Lower Tier | Registered | 2012-01-01 | |
| Peterborough, County of | Upper Tier | Registered | 2012-01-01 | |
| Peterborough, City of | Single Tier | Registered | 2012-01-01 | |
| Petrolia, Town of | Lower Tier | Registered | 2012-01-01 | |
| Pickering, City of | Lower Tier | Registered | 2012-01-01 | |
| Pickle Lake, Township of | Single Tier | Registered | 2012-01-01 | |
| Plummer Additional, Township of | Single Tier | Registered | 2012-01-01 | |
| Plympton-Wyoming, Town of | Lower Tier | Registered | 2012-01-01 | |
| Point Edward, Village of | Lower Tier | Registered | 2012-01-01 | |
| Port Colborne, City of | Lower Tier | Registered | 2012-01-01 | |
| Port Hope, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Powassan, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Prescott, Town of | Single Tier | Registered | 2012-01-01 | |
| Prescott and Russell, United Counties of | Upper Tier | Registered | 2012-01-01 | |
| Prince, Township of | Single Tier | Registered | 2012-01-01 | |
| Prince Edward, County of | Single Tier | Registered | 2012-01-01 | |
| Puslinch, Township of | Lower Tier | Registered | 2012-01-01 | |
| Quinte West, City of | Single Tier | Registered | 2012-01-01 | |
| Rainy River, Town of | Single Tier | Registered | 2012-01-01 | |
| Ramara, Township of | Lower Tier | Registered | 2012-01-01 | |
| Red Lake, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Red Rock, Township of | Single Tier | Registered | 2012-01-01 | |
| Renfrew, County of | Upper Tier | Registered | 2012-01-01 | |
| Renfrew, Town of | Lower Tier | Registered | 2012-01-01 | |
| Richmond Hill, Town of | Lower Tier | Registered | 2012-01-01 | |
| Rideau Lakes, Township of | Lower Tier | Registered | 2012-01-01 | |
| Russell, Township of | Lower Tier | Registered | 2012-01-01 | |
| Ryerson, Township of | Single Tier | Registered | 2012-01-01 | |
| Sables-Spanish Rivers, Township of | Single Tier | Registered | 2012-01-01 | |
| Sarnia, City of | Lower Tier | Registered | 2012-01-01 | |
| Saugeen Shores, Town of | Lower Tier | Registered | 2012-01-01 | |
| Sault Ste. Marie, City of | Single Tier | Registered | 2012-01-01 | |
| Schreiber, Township of | Single Tier | Registered | 2012-01-01 | |
| Scugog, Township of | Lower Tier | Registered | 2012-01-01 | |
| Seguin, Township of | Single Tier | Registered | 2012-01-01 | |
| Selwyn, Township of (formerly Smith-Ennismore-Lakefield, Township of) | Lower Tier | Registered | 2012-01-01 | Effective date of name change 2015-01-13 |
| Severn, Township of | Lower Tier | Registered | 2012-01-01 | |
| Shelburne,Town of | Lower Tier | Registered | 2012-01-01 | |
| Shuniah, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Simcoe, County of | Upper Tier | Registered | 2012-01-01 | |
| Sioux Lookout, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Sioux Narrows-Nestor Falls, Township of | Single Tier | Registered | 2012-01-01 | |
| Smiths Falls, Town of | Single Tier | Registered | 2012-01-01 | |
| Smooth Rock Falls, Town of | Single Tier | Registered | 2012-01-01 | |
| South Algonquin, Township of | Single Tier | Registered | 2012-01-01 | |
| South Bruce, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| South Bruce Peninsula, Town of | Lower Tier | Registered | 2012-01-01 | |
| South Dundas, Municipality of (formerly South Dundas, Township of) | Lower Tier | Registered | 2012-01-01 | |
| South Frontenac, Township of | Lower Tier | Registered | 2012-01-01 | |
| South Glengarry, Township of | Lower Tier | Registered | 2012-01-01 | |
| South Huron, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| South River, Village of | Single Tier | Registered | 2012-01-01 | |
| South Stormont, Township of | Lower Tier | Registered | 2012-01-01 | |
| South-West Oxford, Township of | Lower Tier | Registered | 2012-01-01 | |
| Southgate, Township of | Lower Tier | Registered | 2012-01-01 | |
| Southwest Middlesex, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Southwold, Township of | Lower Tier | Registered | 2012-01-01 | |
| Spanish, Town of | Single Tier | Registered | 2012-01-01 | |
| Springwater, Township of | Lower Tier | Registered | 2012-01-01 | |
| St. Catharines, City of | Lower Tier | Registered | 2012-01-01 | |
| St. Clair, Township of | Lower Tier | Registered | 2012-01-01 | |
| St. Charles, Municipality of | Single Tier | Registered | 2012-01-01 | |
| St. Joseph, Township of | Single Tier | Registered | 2012-01-01 | |
| St. Marys, Town of | Single Tier | Registered | 2012-01-01 | |
| St. Thomas, City of | Single Tier | Registered | 2012-01-01 | |
| Stirling-Rawdon, Township of | Lower Tier | Registered | 2012-01-01 | |
| Stone Mills, Township of | Lower Tier | Registered | 2012-01-01 | |
| Stormont, Dundas and Glengarry, United Counties of | Upper Tier | Registered | 2012-01-01 | |
| Stratford, City of | Single Tier | Registered | 2012-01-01 | |
| Strathroy-Caradoc, Township of | Lower Tier | Registered | 2012-01-01 | |
| Strong, Township of | Single Tier | Registered | 2012-01-01 | |
| Sundridge, Village of | Single Tier | Registered | 2012-01-01 | |
| Tarbutt and Tarbutt Additional, Township of | Single Tier | Registered | 2012-01-01 | |
| Tay, Township of | Lower Tier | Registered | 2012-01-01 | |
| Tay Valley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Tecumseh, Town of | Lower Tier | Registered | 2012-01-01 | |
| Tehkummah, Township of | Single Tier | Registered | 2012-01-01 | |
| Temagami, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Temiskaming Shores, City of | Single Tier | Registered | 2012-01-01 | |
| Terrace Bay, Township of | Single Tier | Registered | 2012-01-01 | |
| Thames Centre, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| The Archipelago, Township of | Single Tier | Registered | 2012-01-01 | |
| The Blue Mountains, Town of | Lower Tier | Registered | 2012-01-01 | |
| The Nation Municipality | Lower Tier | Registered | 2012-01-01 | |
| The North Shore, Township of | Single Tier | Registered | 2012-01-01 | |
| Thessalon, Town of | Single Tier | Registered | 2012-01-01 | |
| Thornloe, Village of | Single Tier | Registered | 2012-01-01 | |
| Thorold, City of | Lower Tier | Registered | 2012-01-01 | |
| Thunder Bay, City of | Single Tier | Registered | 2012-01-01 | |
| Tillsonburg, Town of | Lower Tier | Registered | 2012-01-01 | |
| Timmins, City of | Single Tier | Registered | 2012-01-01 | |
| Tiny, Township of | Lower Tier | Registered | 2012-01-01 | |
| Toronto, City of | Single Tier | Registered | 2012-01-01 | |
| Trent Hills, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Trent Lakes, Municipality of (formerly Galway-Cavendish and Harvey, Township of) | Lower Tier | Registered | 2012-01-01 | Effective date of name change 2013-02-19 |
| Tudor and Cashel, Township of | Lower Tier | Registered | 2012-01-01 | |
| Tweed, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Tyendinaga, Township of | Lower Tier | Registered | 2012-01-01 | |
| Uxbridge, Township of | Lower Tier | Registered | 2012-01-01 | |
| Val Rita-Harty, Township of | Single Tier | Registered | 2012-01-01 | |
| Vaughan, City of | Lower Tier | Registered | 2012-01-01 | |
| Wainfleet, Township of | Lower Tier | Registered | 2012-01-01 | |
| Warwick, Township of | Lower Tier | Registered | 2012-01-01 | |
| Wasaga Beach, Town of | Lower Tier | Registered | 2012-01-01 | |
| Waterloo, City of | Lower Tier | Registered | 2012-01-01 | |
| Waterloo, Regional Municipality of | Upper Tier | Registered | 2012-01-01 | |
| Wawa, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Welland, City of | Lower Tier | Registered | 2012-01-01 | |
| Wellesley, Township of | Lower Tier | Registered | 2012-01-01 | |
| Wellington, County of | Upper Tier | Registered | 2012-01-01 | |
| Wellington North, Township of | Lower Tier | Registered | 2012-01-01 | |
| West Elgin, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| West Grey, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| West Lincoln, Township of | Lower Tier | Registered | 2012-01-01 | |
| West Nipissing, Municipality of | Single Tier | Registered | 2012-01-01 | |
| West Perth, Municipality of | Lower Tier | Registered | 2012-01-01 | |
| Westport, Village of | Lower Tier | Registered | 2012-01-01 | |
| Whitby, Town of | Lower Tier | Registered | 2012-01-01 | |
| Whitchurch-Stouffville, Town of | Lower Tier | Registered | 2012-01-01 | |
| White River, Township of | Single Tier | Registered | 2012-01-01 | |
| Whitestone, Municipality of | Single Tier | Registered | 2012-01-01 | |
| Whitewater Region, Township of | Lower Tier | Registered | 2012-01-01 | |
| Wilmot, Township of | Lower Tier | Registered | 2012-01-01 | |
| Windsor, City of | Single Tier | Registered | 2012-01-01 | |
| Wollaston, Township of | Lower Tier | Registered | 2012-01-01 | |
| Woodstock, City of | Lower Tier | Registered | 2012-01-01 | |
| Woolwich, Township of | Lower Tier | Registered | 2012-01-01 | |
| York, Regional Municipality of | Upper Tier | Registered | 2012-01-01 | |
| Zorra, Township of | Lower Tier | Registered | 2012-01-01 |
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