Jakob Ritter von Danner (7 August 1865 in Queichheim/Landau – 28 December 1942 in Munich) was a Bavarian general in the Imperial German Army and the Reichswehr. As commandant of the Munich garrison of the Reichswehr, he was a central figure in putting down the attempted Beer Hall Putsch by Adolf Hitler and the Nazis in 1923. Danner was the first president of the Bavarian Warrior League and later the second president of the Kyffhäuser Reichskriegerbund.