L
- Lieutenant Colonel Fritz von der Lancken, Headmaster of a Boarding School
- Carl Langbehn, Lawyer
- Dr. Julius Leber, Social Democratic politician (1891–1945)
- Count Heinrich Graf von Lehndorff-Steinort, Landowner. Executed 4 September 1944
- Syndic Dr. Paul Lejeune-Jung (1882–1944), executed 8 September 1944, Plötzensee prison
- Major Ludwig Freiherr von Leonrod
- Bernhard Letterhaus, Leader of the Catholic worker community (1894–1944)
- Franz Leuninger, Former Secretary General of the Christian Metal Workers' Association
- Wilhelm Leuschner, Minister for Internal Affairs of Hesse, executed 29 September 1944, Plötzensee prison
- General of the Artillery Fritz Lindemann, Commander of 132. Infanterie-Division
- Colonel (General Staff) Ottfried von Linstow
- Paul Löbe (1875–1967)
- Ewald Loeser (1888–1970)
- Ferdinand Freiherr von Lüninck, Governor of Westphalia
- Wilhelm Graf zu Lynar
Read more about this topic: List Of Members Of The 20 July Plot