H
- Max Habermann, Christian syndicate leader
- Baron Hans Bernd von Haeften, Official in the Foreign Office, executed 15 August 1944, Plötzensee Prison
- Lieutenant Werner von Haeften (1908–1944); Adjutant to Claus Schenk Graf von Stauffenberg and fellow conspirator. Executed 20 July 1944, by firing squad on orders of General Fromm
- Syndic Albrecht von Hagen (1904–1944)
- Colonel Kurt Hahn
- Nikolaus-Christoph von Halem, merchant (1905–1944)
- Eduard Hamm, Ministry Official (1879–1944)
- Colonel (General Staff) Georg Hansen
- Colonel (General Staff) Baron Bodo von Harbow
- Baron Ernst von Harnack, District President
- Lieutenant General Paul von Hase, Commander of 56. Infanterie-Division and Commander of Berlin (1885–1944); among the first eight tried by the People's Court; hanged 8 August 1944
- Ulrich von Hassell, German Ambassador to Italy (1881–1944); executed 8 September 1944
- Theodor Haubach, SDP Politician
- Professor Albrecht-Georg Haushofer; executed by firing squad at Gestapo prison, 23 April 1945
- Major (General Staff) Egbert Hayessen
- Wolf-Heinrich Graf von Helldorf, Chief of the Berlin Police; executed 15 August 1944 at Plötzensee Prison
- Major General Otto Herfurth, Chief of Staff of the III Military District; collaborated with, then betrayed, conspirators; hanged
- Andreas Hermes, Finance Minister of the Weimar Republic (1878–1964)
- Colonel General Erich Hoepner, Commander of Panzergruppe 4 (1886–1944); among the first eight hanged, 8 August 1944
- Colonel Caesar von Hofacker (1896–1944); testimony led to suspicion of General Erwin Rommel and his ultimate suicide
- Major Roland von Hößlin
- Wilhelm Konrad Hossë
- Otto Hübener, Director of the insurance brokers Jauch & Hübener, hanged 21, 22 or 23 April 1945
Read more about this topic: List Of Members Of The 20 July Plot