- Galeton
- Gallitzin
- Gap
- Garden View
- Gardners
- Garrett
- Gastonville
- Geistown
- Geneva
- Georgetown
- Georgetown
- Georgetown
- Gettysburg
- Gibraltar
- Gibsonia
- Gilberton
- Gilbertsville
- Girard
- Girardville
- Glasgow
- Glassport
- Glen Campbell
- Glen Hope
- Glen Lyon
- Glen Rock
- Glenburn
- Glendon
- Glenfield
- Glenolden
- Glenshaw
- Glenside
- Gold Key Lake
- Goldsboro
- Goodville
- Gordon
- Gordonville
- Gouglersville
- Gouldsboro
- Graceton
- Grampian
- Grantley
- Granville
- Grapeville
- Grassflat
- Gratz
- Grazierville
- Great Bend
- Green Hills
- Green Lane
- Green Tree
- Greencastle
- Greenfields
- Greenock
- Greensboro
- Greensburg
- Greenville
- Greenwood
- Grier City
- Grill
- Grindstone
- Grove City
- Guilford
- Guilford Siding
- Guys Mills
