- Gail Street
- Galt Avenue
- Gander Lane
- Garden Street
- Garth Massey Drive
- Gaskin Avenue
- Gatehouse Drive
- Gees Way
- George Street North
- George Street South
- Gerrard Avenue
- Gibb Street
- Gilholm Avenue
- Gilholm Lane
- Gill Cove
- Gillespie Court
- Gillies Street
- Gladstone Avenue
- Glamis Road
- Glazebrook Crescent
- Glebe Street
- Glen Morris Road
- Glen Road
- Glenbrook Crescent
- Glenbrook Place
- Glendale Place
- Glendan Court
- Glenforest Road
- Glenmorris Street
- Glennie Court
- Glenvalley Drive
- Glenview Avenue
- Goddard Crescent
- Goebel Avenue
- Goldsboro Road
- Goodwood Court
- Gordon Street
- Gore Street
- Goreing Street
- Gouda Place
- Gowinlock Court
- Grand Avenue North
- Grand Avenue South
- Grand Ridge Drive
- Grand River Park
- Grand Valley Drive
- Grandview Avenue
- Grandy Lane
- Granite Hill Road
- Grant Street
- Grantham Avenue
- Green Bank Drive
- Green Gate Boulevard
- Green Vista Drive
- Greenbrier Road
- Greenfield Road
- Greenwood Avenue
- Grenadier Road
- Grey Abbey Trail
- Griffiths Avenue
- Grimms Drive
- Groh Avenue
- Grosvenor Lane
- Guelph Avenue
- Gunn Avenue