| Author Name | Profession | Nationality |
| G. H. Hardy | Mathematician | British |
| G. Stanley Hall | Psychologist | American |
| Gabriel Basso | Actor | American |
| Gabriele D'annunzio | Poet | Italian |
| Gail Devers | Athlete | American |
| Gaius Valerius Catullus | Poet | Roman |
| Galileo Galilei | Scientist | Italian |
| Gallagher | Comedian | American |
| Gamaliel Bailey | Journalist | American |
| Garet Garrett | Journalist | American |
| Gareth Gates | Musician | British |
| Garrett Hardin | Environmentalist | American |
| Garrison Keillor | Writer | American |
| Garry Kasparov | Celebrity | |
| Garson Kanin | Playwright | American |
| Garth Ennis | Writer | Irish |
| Gary Ackerman | Politician | American |
| Gary Allan | Musician | American |
| Gary Barlow | Musician | English |
| Gary Bauer | Public Servant | American |
| Gary Carter | ||
| Gary Gilmore | Criminal | American |
| Gary Glitter | Musician | English |
| Gary Hart | Politician | American |
| Gary Johnson | ||
| Gary Kemp | Musician | British |
| Gary Larson | Cartoonist | American |
| Gaston Bachelard | Philosopher | French |
| Gaston Caperton | ||
| Gavin Degraw | Musician | American |
| Gavyn Davies | Businessman | British |
| Gayle Gardner | Entertainer | American |
| Geddy Lee | Musician | Canadian |
| Geena Davis | Actress | American |
| Gene Barry | Actor | American |
| Gene Cernan | Astronaut | American |
| Gene Hackman | Actor | American |
| Gene Kelly | Actor | American |
| Gene Kerrigan | Journalist | Irish |
| Gennifer Flowers | Celebrity | American |
| Geoff Davis | Politician | American |
| Geoffrey Faber | Publisher | British |
| Geoffrey Fisher | Clergyman | |
| Georg Baselitz | Artist | German |
| Georg Cantor | Mathematician | German |
| George Ade | Playwright | American |
| George Aiken | Politician | American |
| George Alec Effinger | Author | American |
| George Allen | Politician | American |
| George Allen, Sr. | Coach | American |
| George Balanchine | Dancer | Russian |
| George Ball | Politician | American |
| George Bancroft | Historian | American |
| George Cadbury | Businessman | English |
| George Canning | Statesman | English |
| George Carey | Clergyman | English |
| George Carlin | Comedian | American |
| George Carman | Lawyer | English |
| George Catlin | Artist | American |
| George D. Aiken | Politician | American |
| George Deukmejian | Politician | American |
| George Eads | Actor | American |
| George Eastman | Inventor | American |
| George Eliot | Author | British |
| George Etherege | Dramatist | English |
| George F. Kennan | Historian | American |
| George Farquhar | Dramatist | Irish |
| George Galloway | Politician | British |
| George Gallup | Businessman | American |
| George Gerbner | Journalist | Hungarian |
| George Gershwin | Composer | American |
| George Gilder | Writer | American |
| George Gillespie | Theologian | Scottish |
| George Gissing | Novelist | British |
| George Halas | Coach | American |
| George Harrison | Musician | British |
| George Iii | Royalty | English |
| George Jackson | Activist | American |
| George Jessel | Judge | English |
| George Jones | Musician | American |
| George Kennedy | Actor | American |
| George Kenney | Soldier | American |
| George Kimble | Historian | |
| George Lamming | Novelist | Barbadian |
| George Linnaeus Banks | Writer | English |
| George Matthew Adams | Editor | American |
| George Mercer Dawson | Scientist | Canadian |
| George P. Baker | ||
| George S. Kaufman | Dramatist | American |
| George Washington Cable | Novelist | American |
| George Washington Carver | Scientist | American |
| Georges Bataille | Writer | French |
| Georges Carpentier | Athlete | French |
| Georges Jacques Danton | Revolutionary | French |
| Georgia Douglas Johnson | Poet | American |
| Georgia Harkness | Theologian | American |
| Georgia Jagger | Celebrity | |
| Georgie Fame | Musician | British |
| Gerald Finzi | Composer | British |
| Gerald Jampolsky | Psychologist | American |
| Gerald R. Ford | President | American |
| Gerald W. Johnson | Journalist | American |
| Geraldine Ferraro | Politician | American |
| Gerard Debreu | Mathematician | French |
| Gerard Depardieu | Actor | French |
| Geri Halliwell | Musician | British |
| Germanicus | Soldier | Roman |
| Geronimo | Statesman | |
| Gerry Adams | Politician | Irish |
| Gertrude Jekyll | Celebrity | British |
| Gg Allin | Musician | American |
| Giacomo Casanova | Celebrity | Italian |
| Giancarlo Esposito | Actor | American |
| Gianfranco Ferre | Designer | Italian |
| Gianni Agnelli | Businessman | Italian |
| Gil Amelio | Businessman | American |
| Gil Gerard | Actor | American |
| Gil Kane | Artist | American |
| Gilles Deleuze | Philosopher | French |
| Gillian Anderson | Actress | American |
| Gillian Flynn | Author | American |
| Gillian Jacobs | Actress | American |
| Gina Barreca | Comedian | American |
| Gina Carano | Actress | American |
| Gina Gershon | Actress | American |
| Ginger Baker | Musician | British |
| Giovanni Agnelli | Designer | Italian |
| Giovanni Falcone | Judge | Italian |
| Giovanni Giolitti | Statesman | Italian |
| Giraldus Cambrensis | Clergyman | Welsh |
| Giuseppe Garibaldi | Soldier | Italian |
| Glen Campbell | Musician | American |
| Glen Hansard | Musician | Irish |
| Glenda Jackson | Actress | British |
| Glenn Danzig | Musician | American |
| Glenn Ford | Actor | American |
| Gloria Allred | Lawyer | American |
| Gloria Estefan | Musician | American |
| Gloria Gaynor | Musician | American |
| Glynis Johns | Actress | British |
| Gnassingbe Eyadema | Statesman | |
| Godfrey Harold Hardy | Mathematician | British |
| Godfried Danneels | Clergyman | |
| Goodluck Jonathan | Statesman | Nigerian |
| Goodman Ace | Writer | American |
| Goran Ivanisevic | Athlete | Croatian |
| Gordon Banks | Athlete | English |
| Gordon England | Businessman | American |
| Gordon Gee | Educator | American |
| Gordon Getty | Businessman | American |
| Gordon W. Allport | Psychologist | American |
| Gottfried Keller | Writer | Swiss |
| Gottfried Leibniz | Philosopher | German |
| Grace Abbott | Activist | American |
| Grace Baruch | ||
| Grace Darling | Celebrity | English |
| Grace Hansen | ||
| Grace Jones | Model | |
| Grace Kelly | Actress | American |
| Gracie Allen | Comedian | American |
| Graham Kennedy | Entertainer | Australian |
| Graham Kerr | Celebrity | English |
| Grandmaster Flash | Musician | American |
| Granville Stanley Hall | Psychologist | American |
| Gray Davis | Politician | American |
| Grazia Deledda | Writer | Italian |
| Greer Garson | Actress | English |
| Greg Akcelrod | Actor | French |
| Greg Egan | Scientist | Australian |
| Greg Evigan | Actor | American |
| Greg Garrison | Director | American |
| Greg Ginn | Musician | |
| Greg Giraldo | Comedian | American |
| Greg Lake | Musician | British |
| Greg Laswell | Musician | American |
| Greg Lemond | Athlete | American |
| Gregg Allman | Musician | American |
| Gregg Easterbrook | Author | American |
| Gregory Bateson | Scientist | British |
| Gregory Harrison | Actor | American |
| Gresham Barrett | Politician | American |
| Greta Garbo | Actress | Swedish |
| Greta Gerwig | Actress | American |
| Grey Delisle | Musician | American |
| Guillaume Canet | Actor | French |
| Guillermo Cabrera Infante | Novelist | Cuban |
| Gus Hall | Businessman | American |
| Gus Kahn | ||
| Gustave Flaubert | Novelist | French |
| Guy Debord | Writer | French |
| Guy Fieri | Businessman | American |
| Guy Finley | Writer | American |
| Guy Hamilton | Director | British |
| Guy Johnson | American | |
| Guy Kawasaki | Businessman | American |
| Guy Lafleur | Athlete | Canadian |
| Guy Laliberte | Businessman | Canadian |
| Gwen Ifill | Journalist | American |
| Gwen John | Artist | Welsh |
| Gyorgy Legeti | ||
| Gypsy Rose Lee | Entertainer | American |
