Shmuel Yaakov Weinberg, known as Yaakov Weinberg (also Jacob S. Weinberg) (1923 – July 1, 1999) was an Orthodox Jewish rabbi, Talmudist, and rosh yeshiva (dean) of Ner Israel Rabbinical College in Baltimore, Maryland, one of the major American non-Hasidic yeshivas. Rabbi Weinberg also served as a leading rabbinical advisor and board member of a number of important Haredi and Orthodox institutions such as Torah Umesorah, Agudath Israel of America and the Association for Jewish Outreach Programs.