| 1866: |
34th “Ontario Battalion of Infantry”
│ |
| 1900: |
34th Ontario Regiment |
|
│ |
|
 |
 |
| 1920: |
1st Battalion
(116th Battalion, CEF), |
2nd Battalion
(182nd Battalion, CEF), |
|
The Ontario Regiment |
|
[Non Permanent Active Militia] |
[Reserve] |
|
 |
|
│ |
│ |
| 1936: |
The Ontario Regiment (Tank)
│ |
disbanded |
|
|
|
| 1940: |
2nd (Reserve) Regiment, |
1st Regiment, |
|
The Ontario Regiment (Tank) |
|
│
│ |
[Canadian Active Service Force]
│ |
| 1941: |
11th (Reserve) Army Tank
Battalion,
(The Ontario Regiment (Tank))
│ |
11th Army Tank
Battalion,
(The Ontario Regiment (Tank))
│ |
| 1942: |
11th (Reserve) Army
Tank Regiment
(The Ontario Regiment (Tank))
│ |
11th Army Tank
Regiment
(The Ontario Regiment (Tank))
│ |
| 1943: |
│
│
│ |
11th Armoured Regiment
(The Ontario Regiment)
│ |
| 1946: |
11th Armoured Regiment
(The Ontario Regiment)
│ |
disbanded |
| 1949: |
The Ontario Regiment
(11th Armoured Regiment)
│ |
| 1958: |
The Ontario Regiment
(RCAC) |
|
│ |
|
|
| |
|
Overseas battalions of the Canadian Expeditionary Force
perpetuated by The Ontario Regiment |
| |
|
116th (Ontario County) Battalion |
182nd (Ontario) Battalion |
|
 |
 |
| |