Nachum Eliezer Rabinovitch (Hebrew: נַחוּם אֱלִיעֶזֶר רָבִּינוֹבִיץּ׳; 30 April 1928 – 6 May 2020), born Norman Louis Rabinovitch, was a Canadian-Israeli Religious Zionist rabbi and posek. He headed the London School of Jewish Studies from 1971 to 1982, and the hesder yeshiva Birkat Moshe in Ma'ale Adumim from 1982 until his death.