- John Gallagher
- John Garden Burchill
- John Garnet O'Neill
- John Gay (source primaire)
- John Gellatly
- John George Nasvadi
- John Gilbert
- John Gilbert Shaw
- John Gillis (source primaire)
- John Glockler (source primaire)
- John Grant
- John Gratwick
- John Gregory
- John H. Gorsline (Source primaire)
- John H. Hamilton (source primaire)
