Shabtai Kalmanovich (Hebrew: שבתאי קלמנוביץ', Lithuanian: Šabtajus Kalmanovičius, Russian: Шабтай Генрихович Калманович; 18 December 1947 – November 2, 2009), alternatively spelled Shabtai Kalmanovic, was a KGB spy, who later became known in Russia as a successful businessman, concert promoter and basketball sponsor.