Judah Leib Ben-Ze'ev (Hebrew: יְהוּדָה לֵיבּ בֵּן־זְאֵב, German: Juda Löb Bensew; 18 August 1764 – 12 March 1811) was a Galician Jewish philologist, lexicographer, and Biblical scholar. He was a member of the Me'assefim group of Hebrew writers, and a "forceful proponent of revitalizing the Hebrew language".