J
- Jack Fish
- Jack Lake
- Jackpine
- Jacksonburg
- Jackson Manion
- Jacksons Point
- Jaffa
- Jaffray Melick
- James
- Jamestown
- Jamot
- Janetville
- Jarlsberg
- Jarratt
- Jarvis
- Jarvis River
- Jasper
- Jeannette
- Jeannettes Creek
- Jefferson
- Jellicoe
- Jelly
- Jellyby
- Jericho
- Jermyn
- Jerome
- Jersey
- Jerseyville
- Jessopville
- Jessups Falls
- Jevins
- Jewellville
- Jobrin
- Joburke
- Jocelyn
- Jocko
- Jockvale
- Joes Lake
- Jogues
- Johnson
- Johnsons Landing
- Johnsons Siding
- Johnston Corners
- Johnstown
- Joly
- Jones
- Jones Falls
- Jones Landing
- Jonesville
- Jordan
- Jordan Harbour
- Jordan Station
- Jorgens
- Josephine
- Josephsburg
- Joyceville
- Joyland Beach
- Joyvista Estates
- Juddhaven
- Judge
- Judgeville
- July Falls
- Junction Area
- Junetown
- Juniper Island
- Jura
