Cities
- Jacket Lake NS
- Jacks Lake ON
- Jackson ON
- James River NS
- Janetville ON
- Jarvie AB
- Jasper AB
- Jasper East AB
- Jasper ON
- Jean Marie River NT
- Jeddore Oyster Ponds NS
- Jemseg NB
- Jermyn ON
- Jessopville ON
- Jewellville ON
- Jewetts Mills NB
- Jimtown NS
- Joe Batt s Arm-Barr s Islands-Shoal NL
- Joes Lake ON
- Johnson s Mills NB
- Johnsons Crossing YT
- Johnston Corners ON
- Johnston Point Road NB
- Jolicure NB
- Joliette QC
- Jones Forks NB
- Jordan Bay NS
- Jordan Branch NS
- Jordan Falls NS
- Jordan Ferry NS
- Jordan River BC
- Jordantown NS
- Jordanville NS
- Jordon River BC
- Jorgina ON
- Josephsburg ON
- Joutel QC
- Juniper Island ON
- Justice MB
- Juvenile Settlement NB