- Galena
- Galestown
- Garrett Park
- Garrison
- Germantown
- Girdletree
- Glen Burnie
- Glen Echo
- Glen Echo Heights
- Glenarden
- Glenn Dale
- Goddard
- Golden Beach
- Grasonville
- Green Haven
- Greenbelt
- Galesville
- Gambrills
- Gapland
- Georgetown
- Gibson Island
- Glen Arm
- Glenelg
- Glenmont
- Glenwood
- Goshen
- Granite
- Great Mills
- Greater Upper Marlboro