- Gananoque
- Georgina
- Goderich
- Gore Bay
- Gravenhurst
- Greater Napanee
- Grimsby
- Guelph
- Gads Hill
- Galesburg
- Galetta
- Gamebridge Beach
- Gannon Beach
- Gannon Village
- Garafraxa Woods
- Garden of Eden
- Garretton
- Gaud Corners
- Gelert
- Geneva Park
- Georgian Highlands
- Georgina Beach
- Geraldton
- German Settlement
- Germanicus
- Gerrow's Beach
- Ghost Island
- Gibraltar
- Gibson
- Gilchrist