Rabbi Nahum Eliezer Rabinovitch (; 1928 – May 6, 2020) was a Canadian-born Israeli Orthodox rabbi and posek. He was the head of Yeshivat Birkat Moshe in Ma'ale Adumim. He was born in Montreal, Canada. In 2015 he led the Giyur K'halacha conversion court, of which he was one of the founders.