- York—Simcoe (federal electoral district)
- Simcoe—Grey (federal electoral district)
- Simcoe South (federal electoral district)
- Barrie (federal electoral district)
- Dufferin—Simcoe
- Wellington—Dufferin—Simcoe
- York—Peel
- York—Simcoe (provincial electoral district)
- Peel—Dufferin—Simcoe
- List of Canadian electoral districts
