Category:National Historic Sites of Canada in Ontario

• [+] National Historic Sites of Canada in Ottawa‎ (21 C, 2 F)
• [+] National Historic Sites of Canada in Toronto‎ (30 C, 4 F)

A

• [×] Adelaide Hunter Hoodless Homestead‎ (1 F)
• [×] Algoma Central Engine House‎ (3 F)
• [+] Algonquin Provincial Park‎ (5 C, 1 P, 93 F)
• [+] Amherstburg Navy Yard Park‎ (1 C, 3 F)
• [×] Ann Baillie Building‎ (1 F)
• [×] Annandale House‎ (2 F)

B

• [×] Backhouse Grist Mill‎ (1 F)
• [×] Banting House‎ (1 F)
• [×] Barnum House‎ (1 F)
• [×] Battle of Chippawa‎ (3 F)
• [×] Battle of Crysler's Farm Memorial‎ (2 F)
• [×] Battle of Stoney Creek National Historic Site of Canada‎ (5 F)
• [+] Battle of the Windmill‎ (1 C, 2 F)
• [×] Bell Homestead‎ (59 F)
• [×] Belle Vue‎ (1 F)
• [×] Belleville Train Station‎ (7 F)
• [×] Bellevue House National Historic Site‎ (3 F)
• [×] Bethune Memorial House‎ (3 F)
• [×] Bethune–Thompson House‎ (1 F)
• [×] Billy Bishop Heritage Museum‎ (1 F)
• [+] Bois Blanc Island‎ (2 C, 1 F)
• [×] Burlington Heights National Historic Site‎ (5 F)
• [×] Buxton Settlement‎ (2 F)

C

• [+] Cataraqui Cemetery‎ (1 C, 4 F)
• [×] Chiefswood‎ (1 F)
• [×] Christ Church Royal Chapel‎ (7 F)
• [×] Cox Terrace‎ (1 F)

D

• [+] Dundurn Castle‎ (1 C, 25 F)

E

• [×] Erland Lee Museum‎ (7 F)
• [+] Ermatinger–Clergue National Historic Site‎ (2 C, 15 F)

F

• [×] Former Almonte Post Office‎ (4 F)
• [×] Former Galt Post Office‎ (3 F)
• [×] Former Hamilton Customs House‎ (9 F)
• [×] Former Port Perry Town Hall‎ (3 F)
• [×] Fort Erie‎ (6 F)
• [+] Fort Frederick‎ (1 C, 5 F)

F cont.

• [×] Fort Frontenac‎ (8 F)
• [+] Fort George National Historic Site‎ (5 C, 16 F)
• [×] Fort Henry, Ontario‎ (5 F)
• [×] Fort Malden‎ (4 F)
• [×] Fort Mississauga‎ (11 F)
• [×] Fort St. Joseph‎ (1 F)
• [×] Fort Wellington‎ (8 F)
• [×] Fort William Historical Park‎ (23 F)
• [×] François Baby House‎ (2 F)
• [×] Frontenac County Courthouse‎ (5 F)
• [×] Fulford Place‎ (3 F)

G

• [×] Griffin House (Ancaster)‎ (2 F)

H

• [×] HMCS Haida (G63)‎ (1 P, 38 F)
• [×] Hamilton Waterworks‎ (2 F)
• [×] Homer Watson House‎ (3 F)

J

• [×] John Weir Foote V.C. Armouries‎ (2 F)
• [×] Joseph Schneider Haus‎ (1 F)

K

• [×] Kingston City Hall‎ (14 F)
• [×] Kingston Customs House‎ (1 F)
• [+] Kingston General Hospital‎ (1 C, 1 F)
• [×] Kingston Penitentiary‎ (6 F)

L

• [×] Leaskdale Manse‎ (1 F)
• [×] Leeds and Grenville County Court House‎ (7 F)

M

• [×] Mackenzie Building‎ (7 F)
• [×] Marine Museum of the Great Lakes‎ (3 F)
• [×] Matheson House (Perth)‎ (6 F)
• [×] McCrae House‎ (15 F)
• [×] McMartin House‎ (2 F)
• [×] Merrickville Blockhouse‎ (2 F)
• [×] Middlesex County Court House, London‎ (2 F)
• [×] Mohawk Chapel‎ (5 F)

N

• [×] Nazrey African Methodist Episcopal Church‎ (4 F)
• [×] Niagara District Court House‎ (2 F)
• [×] North West Company Lock‎ (11 F)

O

• [×] Oil Museum of Canada‎ (1 F)
• [×] Old City Hall (Guelph)‎ (5 F)
• [×] Old Kingston Post Office‎ (2 F)
• [×] Old Woodstock Town Hall‎ (6 F)

O cont.

• [×] Oro African Methodist Episcopal Church‎ (10 F)
• [×] Church of Our Lady Immaculate, Guelph‎ (11 F)

P

• [×] Parkwood Estate and Gardens‎ (1 F)
• [×] Perth Town Hall (Ontario)‎ (2 F)
• [×] Peterborough Armoury‎ (1 F)
• [×] Peterborough lift locks‎ (34 F)
• [×] Point Clark Lighthouse‎ (2 F)
• [×] Prescott Railway Station‎ (1 F)

Q

• [+] Queenston Heights‎ (2 C, 4 F)

R

• [+] Rideau Canal‎ (11 C, 90 F)
• [+] Rideau Hall‎ (2 C, 20 F)
• [×] Rosamond Woollen Mill‎ (3 F)
• [×] Roselawn National Historic Site‎ (4 F)
• [×] Royal Botanical Gardens (Ontario)‎ (17 F)
• [+] Royal Military College of Canada‎ (14 C, 1 P, 199 F)
• [×] Ruin of St. Raphael's Roman Catholic Church‎ (3 F)

S

• [×] St. Andrew's Presbyterian Church, Beaverton‎ (1 F)
• [×] St. Jude's Church, Brantford‎ (2 F)
• [×] St. Marys Junction Railway Station‎ (1 F)
• [×] Sainte-Marie among the Hurons‎ (4 F)
• [+] Sault Ste. Marie Canal‎ (5 C, 42 F)
• [×] School of Restoration Arts at Willowbank‎ (1 P, 11 F)
• [×] Sharon Temple‎ (14 F)
• [×] Shoal Tower‎ (6 F)
• [×] Sir Adam Beck Dam‎ (9 F)
• [×] Sir John A. Macdonald Gravesite‎ (11 F)
• [×] Smiths Falls Railway Station‎ (1 F)
• [×] Stratford City Hall‎ (3 F)

T

• [×] Thomas Fuller Building‎ (1 F)
• [×] Thunder Bay Tourist Pagoda‎ (1 F)
• [×] Toronto Power Generating Station‎ (10 F)
• [+] Trent-Severn Waterway‎ (3 C, 30 F)

V

• [×] Victoria Hall (Cobourg)‎ (4 F)
• [×] Victoria Hall (Hamilton, Ontario)‎ (4 F)
• [×] Victoria Hall (Petrolia)‎ (3 F)

W

• [×] Wellington County Museum and Archives‎ (2 F)
• [+] Whitefish Island‎ (1 C, 41 F)
• [×] Whitehern‎ (6 F)