Avraham Grodzinski (c. 1884 - July 13, 1944) was a rabbi who served as the mashgiach ruchani (spiritual supervisor) of the Slabodka yeshiva in Lithuania. He is best known for being the primary disciple of Nosson Tzvi Finkel, the Alter of Slabodka",[1] and for his book of mussar (ethics) lectures called Toras Avraham.[2]