Aharon Yehuda Leib Shteinman , also Shtainman or Steinman (born 1912-1914) is a prominent Haredi rabbi and posek (halakhic authority) in Bnei Brak, Israel. Following the death of Rabbi Yosef Shalom Elyashiv in 2012, he is widely regarded as the Gadol Hador, the leader of the non-Hasidic Lithuanian world.