Rabbi Avraham Chanoch Glitzenstein (25 Tevet 5689 - 20 Adar 5775) was a Chassidic author and activist. He served as the secretary of the Tomchei Tmimim Yeshiva in Lod and the Torat Emet Yeshiva in Jerusalem. Rabbi Glitzenstein compiled, translated, and published dozens of books in the realm of Chabad Chassidut.