Binyamin Tzvi (Benny) Lau, (born October 20, 1961, Tel Aviv) is an Israeli rabbi, community leader, activist, author, and public speaker who lives in Jerusalem.

Lau's mother, a sister of Jack Lunzer, was born in England to a prominent family known for preserving the legacy and school of thought of Rabbi Samson Raphael Hirsch.

After he completed his high-school studies, he went on to learn in Yeshivat Har Etzion, and was drafted into the Israel Defense Forces in the Golani Brigade.

He also publishes extensively in national newspapers, scholarly journals, weekly Shabbat pamphlets, and has authored numerous books.

Lau lectures widely on halakha and social justice [6] at Beit Morasha's Beren College, and served as the rabbi of the Ramban Synagogue in Jerusalem until 2019.