Babchin Lazar (1887, Riga) , an engineer and public figure.

Lazar Babchin became involved in revolutionary activities during his school years and later served as the chairman of the Jewish Student Fund at the Riga Polytechnic Institute. He was one of the founders of the Znanije (Knowledge) Society and a co-founder and long-time chairman of the Jewish Polytechnic Society. Additionally, he served as chairman of the Refugee Aid Fund.