Shmuel Horowitz may refer to: * Shmelke of Nikolsburg (1726–1778), also known as Shmuel Shmelke Halevi Horowitz, early Hasidic Rebbes * Shmuel Horowitz (publisher) (1903–1973), compiler and publisher of ''Chayey Moharan'', a biography of Rabbi Nachman of Breslov

See also