Jacob "Juju" Wallenberg (27 September 1892 – 1 August 1980) was a Swedish banker and industrial leader. Wallenberg held various central positions in Stockholms Enskilda Bank. He was also chairman of the board of several companies, including Stora Kopparbergs Bergslag and Orkla Mining Company. From 1934 to 1944 he was a member of the Swedish governmental commission for trade with Germany.