Horst Freiherr Treusch von Buttlar-Brandenfels

Horst Freiherr Treusch von Buttlar-Brandenfels (*2 September 1900, † 8 January 1990) was a German general during World War II.

In 1944, Buttlar-Brandenfels was Army Operations Chief (OKW Major-General) and played a major role in not releasing the panzer reserves (Panzer Lehr and 12th SS Divisions) requested by Gerd von Rundstedt, who was Generalfeldmarschall of the German army during the initial Normandy landings by Allied troops.