Meïr Leibush ben Yehiel Michel Wisser (Russian: Меир-Лейбуш бен Йехиэл-Михл) (March 7, 1809 – September 18, 1879), better known by the acronym Malbim (Hebrew: מלבי"ם‎), was a rabbi, master of Hebrew grammar, and Bible commentator.The name "Malbim" is derived from the Hebrew initials of his name, and became his nickname by frequent usage.