Ephraim Urbach (Hebrew: אפרים אלימלך אורבך) (born 1912 – 3 July 1991) was a distinguished scholar of Judaism. He is best known for his landmark works on rabbinic thought, The Sages, and for research on the Tosafot. He was a candidate to presidency in Israel in 1973, but wasn't elected. A professor of Talmud at the Hebrew University of Jerusalem, Urbach was a member and president of the Israel Academy of Sciences and Humanities.