Category:Counties of Ontario

• Flags of counties of Ontario‎ (1 C)

*

• Former counties of Ontario‎ (6 C, 1 F)

B

• Bruce County, Ontario‎ (9 C, 13 F)

D

• Dufferin County, Ontario‎ (5 C, 21 F)

E

• Elgin County, Ontario‎ (10 C, 33 F)
• Essex County, Ontario‎ (12 C, 122 F)

F

• Frontenac County, Ontario‎ (7 C, 7 F)

G

• Grey County‎ (10 C, 10 F)

H

• Haliburton County, Ontario‎ (7 C, 7 F)
• Hastings County, Ontario‎ (15 C, 177 F)
• Huron County, Ontario‎ (7 C, 15 F)

L

• Lambton County, Ontario‎ (6 C, 26 F)
• Lanark County, Ontario‎ (4 C, 93 F)
• Leeds and Grenville United Counties, Ontario‎ (6 C, 13 F)
• Lennox and Addington County‎ (5 C, 14 F)

M

• Middlesex County, Ontario‎ (5 C, 10 F)

N

• Northumberland County, Ontario‎ (8 C, 31 F)

P

• Perth County, Ontario‎ (6 C, 32 F)
• Peterborough County, Ontario‎ (5 C, 18 F)
• Prescott and Russell United Counties, Ontario‎ (4 C, 5 F)

R

• Renfrew County, Ontario‎ (8 C, 8 F)

S

• Simcoe County, Ontario‎ (16 C, 32 F)
• Stormont, Dundas and Glengarry United Counties‎ (5 C, 14 F)

W

• Wellington County, Ontario‎ (6 C, 22 F)