G
- Major General Reinhard Gehlen, Chief of Intelligence-Gathering on the Eastern Front
- Captain Ludwig Gehre
- Major General Rudolf von Gersdorff (1905–1980), Chief of Intelligence for Field Marshal Günther von Kluge, planned suicide bomb attack for 21 March 1943
- Eugen Gerstenmaier (1906–1986), Consistory Councillor, subsequently Speaker of the Bundestag
- Hans Bernd Gisevius (1904–1974), Diplomat
- Erich Gloeden, Architect (born 23 August 1888 in Berlin); guillotined 30 November 1944, Plötzensee Prison
- Elisabeth Charlotte Gloeden, wife of Erich Gloeden, guillotined 30 November 1944, Plötzensee Prison
- Dr. Carl Friedrich Goerdeler (1884–1945), Mayor of Leipzig; arrested 12 August 1944 in Konradswalde; hanged 2 February 1945
- Fritz Goerdeler, Municipal Chamberlain and Treasurer of Königsberg; brother of Carl Goerdeler, hanged February 1945
- Lieutenant Gereon Karl Goldmann (1916–2003) Franciscan novice, conveyed coded messages to the German delegation in Rome.
- Colonel (General Staff) Helmuth Groscurth
- Nikolaus Gross, Journalist (1898–1945)
- Baron Karl Ludwig Freiherr von und zu Guttenberg (1902–1945) publisher of the White Pages from 1934, arranged the first meeting of Carl Goerdeler and Ulrich von Hassell in 1939, Counterintelligence under Admiral Canaris, arrested by the Gestapo after 20 July 1944, murdered 23–24 April 1945
Read more about this topic: List Of Members Of The 20 July Plot