I
- Iberville
- Ida
- Ida Hill
- Ilderton
- Indian Battle Heights
- Indian Landing
- Indianola Beach
- Indian River
- Ingersoll
- Ingleside
- Inglewood
- Inglewood Court
- Inholmes
- Inkerman
- Innisfil
- Innisfil Heights
- Inverary
- Invererie Heights
- Inverhaugh
- Inverhuron
- Inverness
- Iona
- Iona Station
- Ipperwash Beach
- Irena
- Iroquois
- Island Grove
- Islands In The Trent Waters Ind. Res 36A
- Island View Beach
- Issoudun
- Ivan
- Ivanhoe
- Ivry
- Ivry-sur-le-Lac
- Ivy
