| Julie Gregory | American writer | 1969 |
| Philippa Gregory | English novelist | 1954 |
| Harry Gregson-Williams | British composer | 1961 |
| Tamsin Greig | English actress | 1966 |
| Walter Greiner | German physicist | 1935–2016 |
| Eric Greitens | American politician, author, … | 1974 |
| Stephen Grellet | American Quaker missionary | 1773–1855 |
| Marjorie Grene | American philosopher | 1910–2009 |
| Joyce Grenfell | British comedian, singer, act… | 1910–1979 |
| Johannes Grenzfurthner | Austrian artist, writer, cura… | 1975 |
| Wayne Gretzky | Canadian ice hockey player | 1961 |
| Frances Greville | Irish poet | 1727–1789 |
| Alex Grey | American artist | 1953 |
| Charles Grey, 2nd Earl Grey | Prime Minister of the United … | 1764–1845 |
| Virginia Grey | American actress (1917-2004) | 1917–2004 |
| Zane Grey | American novelist | 1872–1939 |
| Tom Van Grieken | Belgian politician | 1986 |
| Rosey Grier | Player of American football | 1932 |
| Donald Griffin | American zoologist | 1915–2003 |
| Eddie Griffin | American actor and comedian | 1968 |
| Edward Dorr Griffin | American academic administrat… | 1770–1837 |
| G. Edward Griffin | American conspiracy theorist,… | 1931 |
| Gerald Griffin | Irish novelist, poet and play… | 1803–1840 |
| Jasper Griffin | Public Orator and Professor o… | 1937–2019 |
| John Howard Griffin | American race activist | 1920–1980 |
| John Joseph Griffin | English chemist and publisher | 1802–1877 |
| Kathy Griffin | American actress and comedian | 1960 |
| Kenneth Griffin | American hedge fund manager | 1968 |
| Nick Griffin | British politician | 1959 |
| Andy Griffith | American actor, television pr… | 1926–2012 |
| Nicola Griffith | British-American writer | 1960 |
| Bede Griffiths | Benedictine Monk | 1906–1993 |
| Richard Griffiths | British actor | 1947–2013 |
| Franz Grillparzer | austrian dramatic and writer | 1791–1872 |
| Francesco Maria Grimaldi | Italian physicist | 1618–1663 |
| David Robert Grimes | researcher | 1985 |
| Martha Grimes | American crime writer and lit… | 1931 |
| Angelina Grimké | American abolitionist and fem… | 1805–1879 |
| Francis J. Grimké | American activist and minister | 1852–1937 |
| Sarah Grimké | American abolitionist | 1792–1873 |
| Michael Grimm | American politician | 1970 |
| Jo Grimond | British soldier, politician a… | 1913–1993 |
| Jon Courtenay Grimwood | British writer | 1953 |
| Ken Grimwood | American writer | 1944–2003 |
| Lester Grinspoon | American physician | 1928–2020 |
| Juan Gris | Spanish painter and sculptor | 1887–1927 |
| John Grisham | American lawyer, politician, … | 1955 |
| Gus Grissom | American astronaut | 1926–1967 |
| Alfred Whitney Griswold | American historian | 1906–1963 |
| Erwin Griswold | American lawyer | 1904–1994 |
| Lewis Grizzard | American journalist | 1946–1994 |
| Josh Groban | American musician and actor | 1981 |
| Matt Groening | American cartoonist | 1954 |
| Craig Groeschel | American priest | 1967 |
| Bernard Groethuysen | French literary historian, tr… | 1880–1946 |
| Stanislav Grof | Czech pychiatrist | 1931 |
| John Grogan | American journalist | 1958 |
| Dave Grohl | American rock musician, multi… | 1969 |
| Andrei Gromyko | Soviet diplomat | 1909–1989 |
| Winston Groom | American writer | 1943–2020 |
| Walter Gropius | German architect (1883-1969) … | 1883–1969 |
| David Gross | American particle physicist a… | 1941 |
| Robert Grosseteste | English bishop and philosopher | 1175–1253 |
| Austin Grossman | American writer and game desi… | 1969 |
| David Grossman | Israeli author | 1954 |
| Lev Grossman | American novelist, journalist | 1969 |
| Rex Grossman | American football player, qua… | 1980 |
| Vasily Grossman | Soviet writer and journalist … | 1905–1964 |
| George Grossmith | English comedian, writer, com… | 1847–1912 |
| George Grosz | German artist | 1893–1959 |
| Alexander Grothendieck | French mathematician | 1928–2014 |
| Hugo Grotius | philosopher | 1583–1645 |
| Andrew S. Grove | Hungarian-born American busin… | 1936–2016 |
| George Grove | (1820–1900) English writer on… | 1820–1900 |
| La Fayette Grover | American politician | 1823–1911 |
| David Gruber | American marine biologist | |
| Robert Grudin | American writer | 1938 |
| Arno Gruen | German psychologist | 1923–2015 |
| Sara Gruen | American writer | 1969 |
| Yitzchak Gruenbaum | Israeli politician | 1879–1970 |
| Kim Gruenenfelder | American writer | 1967 |
| Erin Gruwell | American academic | 1969 |
| Bear Grylls | Chief Scout, adventurer, auth… | 1974 |
| Chang Guan-chung | Taiwanese military personel | 1959 |
| Zeng Guang | Chinese epidemiologist at the… | 1946 |
| Francesc Ferrer i Guàrdia | Spanish anarchist | 1859–1909 |
| John Guare | 1938; American playwright | 1938 |
| Giovannino Guareschi | Italian journalist, cartoonis… | 1908–1968 |
| Giovanni Battista Guarini | Italian poet | 1538–1612 |
| Marco Guazzo | Italian historian | 1480–1556 |
| Stefano Guazzo | Italian writer | 1530–1593 |
| David Gubbins | British university teacher | 1947 |
| Hans Gude | Norwegian painter | 1825–1903 |
| Heinz Guderian | German general | 1888–1954 |
| Philip Guedalla | British historical writer | 1889–1944 |
| Allen C. Guelzo | American historian | 1953 |
| René Guénon | French metaphysician | 1886–1951 |
| Théodore Guérin | Catholic saint and nun from F… | 1798–1856 |
| Justin Guerra | | |
| Vida Guerra | American model | 1974 |
