Claus Philipp Maria Schenk Graf von Stauffenberg, commonly referred to as Claus Schenk Graf von Stauffenberg (), Claus von Stauffenberg, or Colonel Claus von Stauffenberg (15 November 1907 – 21 July 1944), was a German army officer and aristocrat who was one of the leading members of the failed 20 July plot of 1944 to assassinate Adolf Hitler and remove the Nazi Party from power. Along with Henning von Tresckow and Hans Oster, he was one of the central figures of the German Resistance movement within the Wehrmacht. For his involvement in the movement he was shot shortly after the failed attempt known as Operation Valkyrie.