G
- Clark Gable, Actor, Beverly Hills Lodge No. 528, California
- Léon Gambetta, French politician.
- Federico García Lorca, Spanish poet and playwright. Alhambra Lodge, as 'Homero'.
- James A. Garfield, U.S. President. Magnolia Lodge No. 20, Columbus Lodge No. 30, and Garrettsville Lodge No. 246, Ohio
- Giuseppe Garibaldi, Italian general; fused the Rites of Memphis and Misraim in 1881.
- David Garrick, English actor
- Licio Gelli, Italian politician. Worshipful master of Propaganda Due - Expelled in 1981 (some say 1976) by the Grand Orient of Italy.
- George IV, King of Great Britain, UGLE
- George VI, King of Great Britain, UGLE
- Ion Ghica, twice Prime Minister of Romania, four-time President of the Romanian Academy.
- Edward Gibbon, English historian and politician
- Thomas Gibson-Carmichael, 1st Baron Carmichael, British colonianl administrator, Member of Parliament (1895–1900), Grand Master of Scotland (1907–1909)
- W. S. Gilbert, one half of 'Gilbert and Sullivan'.
- Frank Gillmore, Actor and President of Actor's Equity
- King Camp Gillette, American businessman
- Nicholas Gilman, delegate to the Continental Congress, signer of the U.S. Constitution, member of the United States House of Representatives and the United States Senate. St. John's Lodge No. 1, Portsmouth, New Hampshire
- James Glasgow, Who was the first North Carolina Secretary of State from 1777 to 1798. He was an early officer of the Grand Lodge of North Carolina but was ultimately expelled from Freemasonry due to the scandal known as the Glasgow Land Fraud.
- John Glenn, Astronaut and US Senator Concord Lodge No.688 Concord, Ohio
- Johann Wolfgang von Goethe, German philosopher and Poet. Lodge Amelie, Weimar.
- Octavian Goga, Prime Minister of Romania (1937–38).
- Alexandru G. Golescu, Prime Minister of Romania (1870).
- E. Urner Goodman, co-founder of the Boy Scouts' Order of the Arrow
- Bazil Gordon, Scottish settler to America, America's first millionaire
- George Gordon, 5th Duke of Gordon, Scottish politician, Member of Parliament (1806–1807), Keeper of the Great Seal (1820–1830), Grand Master of Scotland (1792–1794)
- George Henry Gordon Union general in the American Civil War Bunker Hill Lodge, Massachusetts
- John Brown Gordon, Confederate general and lawyer
- Sir John Gorton (1911–2002) 19th Prime Minister of Australia. Initiated into Freemasonry at Kerrange Lodge No 100 UGLV on 5 Feb 1948.
- Chuck Grassley, Member of the United States Senate from Iowa.
- Ron Greenwood, England national football team manager 1977–1982; initiated in Lodge of Proven Fellowship, London in 1956
- Henri Grégoire, Roman Catholic priest, Constitutional bishop of Blois and French revolutionary leader.
- Jules Grévy, president of the French Third Republic (1879–1887).
- D. W. Griffith, Film director, St. Cecile Lodge No. 568, New York
- Virgil I. Grissom, American astronaut. Mitchell Lodge No. 228, Mitchell, Indiana.
- Milan Grol (1876–1952), Serbian literary critic, politician and the last president of the Yugoslav Democratic Party, which was banned by the communist regime of Josip Broz Tito in 1946.
- Francis Grose (b. before 11 June 1731 – 12 June 1791), English antiquarian
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