Walter Breisky (8 July 1871 – 25 September 1944) was an Austrian jurist, civil servant, and politician.Nominated by the Christian Social Party, Breisky served as minister of education and the interior from July to November 1920, as the vice chancellor and state secretary of education from November 1920 to May 1922.Together with his Social Democratic deputy, Otto Glöckel, Breisky initiated sweeping reforms of Austria's education system.In January 1922, Breisky became the caretaker chancellor of Austria for a single day.