Existing Boundaries – Ontario
Find your existing electoral district (opens a new window on the Elections Canada website)
- Ajax
- Algoma–Manitoulin–Kapuskasing
- Aurora–Oak Ridges–Richmond Hill
- Barrie–Innisfil
- Barrie–Springwater–Oro-Medonte
- Bay of Quinte
- Beaches–East York
- Brampton Centre
- Brampton East
- Brampton North
- Brampton South
- Brampton West
- Brantford–Brant
- Bruce–Grey–Owen Sound
- Burlington
- Cambridge
- Carleton
- Chatham-Kent–Leamington
- Davenport
- Don Valley East
- Don Valley North
- Don Valley West
- Dufferin–Caledon
- Durham
- Eglinton–Lawrence
- Elgin–Middlesex–London
- Essex
- Etobicoke Centre
- Etobicoke–Lakeshore
- Etobicoke North
- Flamborough–Glanbrook
- Glengarry–Prescott–Russell
- Guelph
- Haldimand–Norfolk
- Haliburton–Kawartha Lakes–Brock
- Hamilton Centre
- Hamilton East–Stoney Creek
- Hamilton Mountain
- Hamilton West–Ancaster–Dundas
- Hastings–Lennox and Addington
- Humber River–Black Creek
- Huron–Bruce
- Kanata–Carleton
- Kenora
- King–Vaughan
- Kingston and the Islands
- Kitchener Centre
- Kitchener–Conestoga
- Kitchener South–Hespeler
- Lambton–Kent–Middlesex
- Lanark–Frontenac–Kingston
- Leeds–Grenville–Thousand Islands and Rideau Lakes
- London–Fanshawe
- London North Centre
- London West
- Markham–Stouffville
- Markham–Thornhill
- Markham–Unionville
- Milton
- Mississauga Centre
- Mississauga East–Cooksville
- Mississauga–Erin Mills
- Mississauga–Lakeshore
- Mississauga–Malton
- Mississauga–Streetsville
- Nepean
- Newmarket–Aurora
- Niagara Centre
- Niagara Falls
- Niagara West
- Nickel Belt
- Nipissing–Timiskaming
- Northumberland–Peterborough South
- Oakville
- Oakville North–Burlington
- Orléans
- Oshawa
- Ottawa Centre
- Ottawa South
- Ottawa–Vanier
- Ottawa West–Nepean
- Oxford
- Parkdale–High Park
- Parry Sound–Muskoka
- Perth–Wellington
- Peterborough–Kawartha
- Pickering–Uxbridge
- Renfrew–Nipissing–Pembroke
- Richmond Hill
- St. Catharines
- Sarnia–Lambton
- Sault Ste. Marie
- Scarborough–Agincourt
- Scarborough Centre
- Scarborough–Guildwood
- Scarborough North
- Scarborough–Rouge Park
- Scarborough Southwest
- Simcoe–Grey
- Simcoe North
- Spadina–Fort York
- Stormont–Dundas–South Glengarry
- Sudbury
- Thornhill
- Thunder Bay–Rainy River
- Thunder Bay–Superior North
- Timmins–James Bay
- Toronto Centre
- Toronto–Danforth
- Toronto–St. Paul's
- University–Rosedale
- Vaughan–Woodbridge
- Waterloo
- Wellington–Halton Hills
- Whitby
- Willowdale
- Windsor–Tecumseh
- Windsor West
- York Centre
- York–Simcoe
- York South–Weston