Cities
- Jacksons Point ON
- Jaffa ON
- Janetville ON
- Jarratt ON
- Jarvis ON
- Jellyby ON
- Jermyn ON
- Jerseyville ON
- Jessopville ON
- Jessups Falls ON
- Jevins ON
- Johnstown ON
- Joliette QC
- Jordan Harbour ON
- Jordan ON
- Jordan River BC
- Jordan Station ON
- Jordon River BC
- Jorgina ON
- Josephsburg ON
- Joyland Beach ON
- Junetown ON
- Juniper Island ON