| Lou Leon Guerrero | Guamanian politician | 1950 |
| Práxedis Guerrero | Mexican journalist and anarch… | 1882–1910 |
| Vicente Guerrero | leading revolutionary general… | 1782–1831 |
| Edgar Guest | American writer | 1881–1959 |
| Judith Guest | Novelist, screenwriter | 1936 |
| Ramachandra Guha | historian and writer from Ind… | 1958 |
| Rahul Guhathakurta | Indian consultant | |
| Francesco Guicciardini | Italian writer, historian and… | 1483–1540 |
| Mireille Guiliano | French author | 1946 |
| Sienna Guillory | British actress | 1975 |
| Ursula K. Le Guin | American writer | 1929–2018 |
| Louise Imogen Guiney | American writer | 1861–1920 |
| Guido Guinizzelli | Italian poet | 1230–1276 |
| Alec Guinness | English actor | 1914–2000 |
| Os Guinness | American writer | 1941 |
| Arthur Guirdham | British physician, psychiatri… | 1905–1992 |
| Cathy Guisewite | Cartoonist | 1950 |
| Arthur Guiterman | United States writer | 1871–1943 |
| Sacha Guitry | French dramatist and playwrig… | 1885–1957 |
| I. K. Gujral | Indian politician | 1919–2012 |
| Abdullah Gül | 11th President of Turkey 2007… | 1950 |
| Genco Gulan | contemporary artist | 1969 |
| Lars Gule | Norwegian philosopher | 1955 |
| Fethullah Gülen | Turkish preacher, former imam… | 1941 |
| Luther H. Gulick | American academic | 1892–1993 |
| Warren Gulley | American military non-commiss… | 1922–2012 |
| Gulzar | | |
| Bryant Gumbel | American sportscaster | 1948 |
| Henepola Gunaratana | Sri Lankan Buddhist monk | 1927 |
| D. V. Gundappa | Indian writer | 1887–1975 |
| Tarik Gunersel | Turkish actor | 1953 |
| Robin Jones Gunn | American writer | 1955 |
| Thom Gunn | English poet | 1929–2004 |
| Tim Gunn | American actor and fashion co… | 1953 |
| Xiaolu Guo | Chinese-British novelist and … | 1973 |
| Lucky Gupta | Internet celebrity | 1998 |
| Manav Gupta | Indian artist | 1967 |
| Sanjay Gupta | journalist, medical correspon… | 1969 |
| Swaraj Prakash Gupta | Indian archaeologist and art … | 1931–2007 |
| Vinod Gupta | American businessman | 1946 |
| Yana Gupta | Czech model and actress | 1979 |
| Alan Gura | American lawyer | 1971 |
| George Ivanovitch Gurdjieff | influential spiritual teacher… | 1866–1949 |
| G. I. Gurdjieff | influential spiritual teacher… | 1866–1949 |
| Allan Gurganus | American novelist and story w… | 1947 |
| Dorothy Frances Gurney | English hymnwriter, poet | 1858–1932 |
| Ivor Gurney | English composer and poet | 1890–1937 |
| John Steven Gurney | | |
| Narayana Guru | Indian social reformer | 1855–1928 |
| Xanana Gusmão | former President and Prime Mi… | 1946 |
| James Gustafson | American academic | 1925 |
| Phillip Guston | American artist | 1913–1980 |
| Beth Gutcheon | American writer | 1945 |
| António Guterres | Secretary-General of the Unit… | 1949 |
| David Guterson | Novelist, short story writer,… | 1956 |
| Alan Guth | American theoretical physicis… | 1947 |
| Arlo Guthrie | American folk singer | 1947 |
| Thomas Guthrie | British divine | 1803–1873 |
| Tyrone Guthrie | English actor and director | 1900–1971 |
| Woody Guthrie | American singer-songwriter an… | 1912–1967 |
| Gustavo Gutiérrez | Peruvian theologian | 1928 |
| José Ángel Gutiérrez | American academic | 1944 |
| Pedro Juan Gutiérrez | Cuban writer | 1950 |
| Dan Gutman | American children's writer | 1954 |
| Jasmine Guy | American actor, director and … | 1962 |
| Larry the Cable Guy | American stand-up comedian, a… | 1963 |
| Jean-Marie Guyau | French writer and philosopher | 1854–1888 |
| Paul Guyer | American philosopher | 1948 |
| Georges Guynemer | French flying ace | 1894–1917 |
| Jeanne Marie Bouvier de la Motte Guyon | French mystic | 1648–1717 |
| John Guyse | British independent minister | 1680–1761 |
| Aaron Guzikowski | American screenwriter | 1974 |
| Abimael Guzmán | Peruvian communist | 1934–2021 |
| Jacobo Arbenz Guzmán | president of Guatemala in 195… | 1913–1971 |
| Dafydd ap Gwilym | Welsh poet | 1320–1380 |
| Hywel ab Owain Gwynedd | poet | |
| Choekyi Gyaltsen | 10th Panchen Lama of the Gelu… | 1938–1989 |
| Kelsang Gyatso | Tibetan writer and lama | 1931 |
| Tenzin Gyatso | spiritual leader of Tibet | 1935 |
| Gary Gygax | American writer and game desi… | 1938–2008 |
| László Gyimesi | Hungarian musician | 1948 |
| Maggie Gyllenhaal | American actress | 1977 |
| Brion Gysin | Canadian artist | 1916–1986 |
