| Jeddore | HALIFAX | NOVA SCOTIA |
| Jennings, Casimir & Appleby | NIPISSING | ONTARIO |
| Jocelyn | ALGOMA | ONTARIO |
| John Island | ALGOMA | ONTARIO |
| Johnston | SUNBURY & QUEENS | NEW BRUNSWICK |
| Joliette (Town/Ville) | JOLIETTE | QUEBEC |
| Joly | LABELLE | QUEBEC |
| Joly | MUSKOKA & PARRY SOUND | ONTARIO |
| Jordan Bay | SHELBURNE & QUEENS | NOVA SCOTIA |
| Jordan River | Shelburne & Queens | NOVA SCOTIA |
| Josephburg | ALBERTA | THE TERRITORIES |
| Josephsburg | ASSINIBOIA (West/Ouest) | THE TERRITORIES |
| Judique | INVERNESS | NOVA SCOTIA |
| Jumping Pound | ALBERTA | THE TERRITORIES |