Rabbi Yechezkel Levenstein, known as Reb Chatzkel, (1885 – 18 Adar (11 or 12 March) 1974),[1] was the mashgiach ruchani of the Mir Yeshiva, in Mir, Belarus and during the yeshiva's escape to Lithuania and on to Shanghai due to the invasion of Poland by Nazi Germany in World War II.

[2] Levenstein was born in Warsaw[3] (5656)[4] His mother, Zlota, died when he was five years old; his father, Yehuda, subsequently remarried.

[3] He studied for 2+1⁄2 years in the yeshiva in Łomża, influenced by the mussar movement, then in Raduń Yeshiva under the Chofetz Chaim and Rabbi Yeruchom Levovitz, and finally in the Kelm Talmud Torah.

News reached Shanghai Adar 5703 (1943), where the Mir spent the war years, of the murders of so many of Lithuanian Jewry.

The eulogy of the martyrs by the mashgiach was published in a book, Mimizrach Shemesh.