| Name | Book/story/stage title | Notes
|
| Galer, Samuel | | A private detective
|
| Galloway | The Pothunters | Boy at St. Austin's College
|
| Galloway, Andrew | Ahead of Schedule | Rollo Finch's uncle
|
| Galloway, Andrew | Ways to Get a Girl | An American eating-house owner
|
| Gandinot, M. | Ruth in Exile | Pawnbroker, Roville-sur-Mer
|
| Gandle, Clifford | Mr Potter Takes a Rest Cure | MP who proposed to Bobbie Wickham
|
| Gandle, Raymond | The Magic Plus Fours | An artist and golfer
|
| Garland, Lady Dora | Full Moon | Sister of Lord Emsworth
|
| Garland, Prudence | Full Moon | Daughter of Lady Dora
|
| Garnet, Jerry | Love Among the Chickens | A writer and friend of Ukridge
|
| Garnet, Mr | The Wire-Pullers | An author
|
| Garroway, Officer | | A police officer in New York
|
| Gascoigne | The Luck of the Stiffhams | The Earl of Wivelscombe's butler
|
| Gates | Uneasy Money | Newspaper man and friend of Lord Dawlish
|
| Gautier, M. | An Afternoon Dip | French master at Locksley
|
| Gaverni, Mme. | The Man with Left Two Feet | A dance teacher
|
| Geake | The Lost Bowlers | A Weary Willie cricketer
|
| Gedge, J. Wellington | Hot Water | An American in France
|
| Gedge, Mrs | Hot Water | His wife
|
| George | The Luck Stone | Colonel Stewart's groom
|
| George | Laughing Gas | A kidnapper
|
| George | Ice in the Bedroom | Freddie Widgeon's cousin; a policeman
|
| Georgiana, Lady Alcester | | A sister of Lord Emsworth
|
| Gerard, M. | A Shocking Affair | French master at St. Austin's College
|
| Gertrude | | Lady Alcester's daughter
|
| Gessler, Hermann | William Tell Told Again | Governor of Switzerland
|
| Gethryn, Allan | | Boy at Beckford College; the 'Bishop'
|
| Gibbs, Gwendoline | Frozen Assets | Lord Tilbury's secretary
|
| Gifford, Tankerville | The Little Nugget | A cad
|
| Gilpin, Archie | Service with a Smile | An artist and nephew of the Duke of Dunstable
|
| Gilpin, Linda | A Pelican at Blandings | Niece of the Duke of Dunstable
|
| Gilpin, Ricky | Uncle Fred in the Springtime | Poet and nephew of the Duke of Dunstable
|
| Ginsberg, Lew | Back to the Garage | A theatre publicity man
|
| Gish, Leonard | | Owner of an art gallery in London
|
| Gladys | Lord Emsworth and the Girl Friend | Young girl from London, befriended by Lord Emsworth
|
| Gladys | In Alcala | Friend of Peggy Norton, in New York
|
| Gleason, May | The Colour Line | Manicurist at the Hotel Cosmopolis
|
| Glendennon, Magnolia | Much Obliged, Jeeves | An American shorthand secretary
|
| Glossop, Basil | Uncle Fred in the Springtime | Used by Pongo Twistleton as an alias
|
| Glossop, Honoria | | An intellectual girl, daughter of Sir Roderick
|
| Glossop, Mr | | A nervous teacher and amateur insurance salesman
|
| Glossop, Oswald | The Inimitable Jeeves | Sir Roderick's son
|
| Glossop, Sir Roderick | | A nerve specialist
|
| Glossop, Tuppy | | Sir Roderick's nephew
|
| Glutz, Sam | George and Alfred | President of Perfecto-Wonderful film company
|
| Goble, Isaac | Jill The Reckless | Manager of The Rose of America - a tom cat
|
| Godalming, Bishop of | Something Fresh | Relative of Lord Emsworth
|
| Gooch, Brewster | Back to the Garage | Pearl's husband
|
| Gooch, Constable | A Sea of Troubles | A policeman
|
| Gooch, John | Those in Peril on the Tee | A writer and golfer
|
| Gooch, Mr | | A New York rent collector
|
| Gooch, Mr | Honeysuckle Cottage | A literary agent
|
| Gooch, Mrs | Uncle Dynamite | Cook at Ashenden Manor
|
| Gooch, Pearl | Back to the Garage | A chorus-girl
|
| Gooch, Rev. Sidney | Anselm gets his Chance | Vicar of Rising Mattock, Hants.
|
| Goode, Jimmy | The Inimitable Jeeves | Competitor in the Choir-boys handicap, Twing
|
| Goodwin, Margaret | Not George Washington | A woman who waits for her man
|
| Goodwin, Mrs | Not George Washington | Margaret's mother; a philosopher
|
| Gorrick | The Guardian | Boy at Eckleton College
|
| Gorringe, Percy | Jeeves and the Feudal Spirit | Wants to marry Florence Craye; dramatized her book
|
| Gosling, Samuel Wilberforce | A Prefect's Uncle | Boy at Beckford College
|
| Gossett | Archibald's Benefit | A keen golfer
|
| Gossett, James J. | The Indiscretions of Archie | A motion picture man in New York
|
| Gossett, Joe | Against the Clock | A forgetful villager
|
| Graf von Poppenheim, Captain the | The Swoop | Aide-de-camp to Prince Otto of Saxe-Pfennig
|
| Graham, Herbert 'Billy' | Aunts Aren't Gentlemen | Master poacher and cat-napper
|
| Graham, Tony | | Boy at St. Austin's College
|
| Grayson, Montague | Bill the Conqueror | Writer with an extensive vocabulary, likes his flowers
|
| Green | Pillingshot, Detective | Boy at St. Austin's College
|
| Green, Lionel | | An interior decorator
|
| Gregory | | The Weary Willies' wicket-keeper
|
| Gregory, Mr | Psmith in the City | Head of Fixed Deposits, New Asiatic Bank; shouts a lot
|
| Gregson, Agatha | | Bertie Wooster's dreaded Aunt Agatha
|
| Gregson, Thomas | | Agatha's son
|
| Gresham | Not George Washington | Asst. editor of the Orb's On Your Way column
|
| Grey, K. St. H. | | Boy at St. Austin's College
|
| Grindley, Mr | No Wedding Bells for Him | One of Ukridge's creditors
|
| Grogan, Constable | Death at the Excelsior | A policeman
|
| Grooly, Cyril | | Book publisher, Popgood and Grooly
|
| Gudgeon, Hilda | The Mating Season | Engaged to Beefy Anstruther; friend of Madeline Bassett
|
| Gudgeon, Mrs Wilberforce (Beatrice) | Joy Bells for Barmy | Hermione Brimble's aunt
|
| Gudgeon, Mrs Willoughby (Beatrice) | The Right Approach | Hermione Brimble's aunt
|
| Guffington, Jack | The Fiery Wooing of Mordred | House guest at Smattering Hall
|
| Guiseppe | The Small Bachelor | Waiter at the 'Purple Chicken' in Greenwich Village
|
| Gunton-Cresswell, Mrs | Not George Washington | Acquaintance of James Cloyster
|
| Gussett, Ambrose | Up from the Depths | A scratch golfer and doctor
|
| Gussie, Lady | The Swoop | A theatre-goer
|