Austrian rabbi of the eighteenth century; a native of Hamburg, and son of the author of the Tosafot ?adashim on the Mishnah. Bloch was rabbi of Eiwanowitz, Moravia, when, in 1767, he was called to the rabbinate of Kojetein, in the same province, to succeed Ephraim Z�lz. About 1787 he became rabbi of Semnitz, Hungary, and later occupied a similar position in Boscowitch, Moravia. He was also for some time rabbi of Dolitschau. He was the author of "Binat Yissakar" (Issachar's Wisdom), a collection of sermons, published in Prague, 1785.