G
- Ernest Gaines (born 1933) author
- Count Bernardo de Gálvez (1746–1786) Spanish governor, viceroy of New Spain
- James C. Gardner (1924-2010) mayor of Shreveport, 1954–1958, called "Mr. Shreveport"
- Ray Garofalo (born c. 1958) politician
- John Sidney Garrett (1921–2005) politician
- Jim Garrison (1921–1992) former New Orleans district attorney and later a state judge
- Leon Gary (1913-1996) politician
- Chad Gaudin (born 1983) relief pitcher for the Toronto Blue Jays
- Randall Gay (born 1982) cornerback for the New Orleans Saints
- Terry W. Gee (born 1940) state representative and businessman
- Gaston Gerald (born 1931) politician
- Brett Geymann (born 1961) state representative
- H. Lawrence Gibbs (1919–1993) politician
- J.C. "Sonny" Gilbert (born 1922) state representative and state senator
- Mickey Gilley (born 1936) musician, singer, nightclub owner
- George Girard (1930–1957) musician
- Hap Glaudi (1912–1989) New Orleans sports journalist
- E.D. Gleason (1899–1959) state representative
- Mary Smith Gleason (1899–1967) state representative
- Ron Gomez (born 1934) state representative
- John Goodman (born 1952) actor
- Jasper Goodwill (1889–1974) mayor of Minden, 1955–1958
- Cletis Gordon (born 1982) cornerback for the United Football League's Florida Tuskers
- Stephen Gostkowski (born 1984) placekicker for the New England Patriots
- Louis Moreau Gottschalk (1829–1869) pianist, composer
- Lucille May Grace (1900–1957) first woman in statewide elected office as register of state lands
- R. W. "Buzzy" Graham (born ca. 1937) state representative from Rapides Parish, 1968–1972
- Shirley Ann Grau (born 1929) writer
- Webster "Webbie" Gradney, Jr. (born 1985) rapper
- Danny Granger (born 1983) small forward for the Indiana Pacers
- Camille Gravel (1915–2005) lawyer, advisor to governors
- E. W. Gravolet (1919–1968) politician
- Veleka Gray (born 1951) actress, writer, producer
- Howard Green (born 1979) nose tackle for the Green Bay Packers
- BenJarvus Green-Ellis (born 1985) running back for the New England Patriots
- Hunter Greene (born 1966) state representative
- Thomas A. "Tom" Greene (born 1948) former state senator
- Allen C. Gremillion (1929–1971) politician
- Jack P.F. Gremillion (1914–2001) attorney general
- John Grenier (1930-2007) Republican politician in Alabama, born in New Orleans
- Grits Gresham (1922–2008) sportsman, journalist
- Moon Griffon (born 1961) statewide conservative radio talk show host
- Robert Groves (born 1948) sociologist and Director of the United States Census Bureau under Barack Obama
- Dudley A. Guglielmo (1909–2005) insurance commissioner
- Troyce Guice (1932–2008) businessman, politician
- Ron Guidry (born 1950) former Cy Young-winning pitcher for the New York Yankees
- John E. Guinn (born 1953) politician
- Brandon Guillory (born 1985) businessman
- Bryant Gumbel (born 1948) television anchor, sportscaster
- Greg Gumbel (born 1946) sportscaster
- Stephen L. Gunn (born 1946) politician
- William J. "Billy" Guste, Jr., (born 1922) attorney general, politician, businessman
- Buddy Guy (born 1936) blues musician
Read more about this topic: List Of People From Louisiana