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 (6 C, 21 F)

E

• Elgin County, Ontario (10 C, 34 F)
• Essex County, Ontario (12 C, 122 F)

F

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

G

• Grey County (10 C, 11 F)

H

• Haliburton County, Ontario (7 C, 7 F)
• Hastings County, Ontario (15 C, 177 F)
• Huron County, Ontario (7 C, 14 F)

L

• Lambton County, Ontario (7 C, 25 F)
• Lanark County, Ontario (4 C, 93 F)
• Leeds and Grenville United Counties, Ontario (6 C, 14 F)
• Lennox and Addington County (5 C, 14 F)

M

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

N

• Northumberland County, Ontario (8 C, 50 F)

P

• Perth County, Ontario (6 C, 32 F)
• Peterborough County, Ontario (6 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, 63 F)
• Stormont, Dundas and Glengarry United Counties (5 C, 14 F)

W

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