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- Leon Garfield, novelist, born in Brighton in 1921
- Constance Garnett, early translator of Tolstoy, Dostoyevsky and Chekhov, was born in Brighton and attended Brighton and Hove High School
- David Garnett, novelist, Bloomsbury Group member, lover of Duncan Grant, was born in Brighton
- John Garrick, film actor, was born in Brighton in 1902
- George, Prince of Wales, Prince Regent, and later King George IV of the United Kingdom
- Grant Gee, filmmaker and music video director
- Mikey Georgeson, artist, moved to Brighton in 1989
- Dave Gibbons, comic book illustrator, famed for co-creating Watchmen
- Annabel Giles, TV presenter, lives in Brighton
- Eric Gill, typographer, engraver, sculptor, born in Brighton 1882
- David Gilmour, guitarist and vocalist of Pink Floyd, owns house on Kings Esplanade, Hove
- Harvey Goldsmith, rock promoter
- Nat Gonella, singer and trumpeter, lived in Saltdean
- JoAnne Good, radio presenter and actress, lives in Brighton
- Arthur Murray Goodhart, composer and organist, lived in Brighton
- Leon Gordon, Hollywood screenwriter, born in Brighton in 1894
- Theodore Gordon, Scottish inspector of army hospitals, died in Brighton in 1845
- Colin Grant, author, lives in Brighton
- Stephen Grant, comedian and writer, lives in Brighton and frequently performs in the town's Komedia venue
- Emily Gravett, children's author and illustrator, lives in Brighton
- Graham Greene, writer (worked in but did not live in Brighton)
- Dave Greenfield, keyboard player with The Stranglers, born in Brighton in 1949
- Roy Greenslade, professor of journalism at City University London, media commentator and journalist for The Guardian and the London Evening Standard, has lived in Brighton since the 1970s
- Lucy Griffiths, actress (attended Varndean College)
- Ioan Grillo, journalist and author of the book El Narco: Inside Mexico's Criminal Insurgency
- Nicholas Grimshaw, architect, designed Waterloo International railway station and the Eden Project, was born in Hove
- Martha Gunn, famous dipper and friend of the Prince Regent
- Sally Gunnell, athlete, olympic 400m hurdles champion in 1992
Read more about this topic: List Of People From Brighton And Hove