Kopelovich (Kopelowitsch) Lazar (Lasar) (24 November 1902, Rezhitsa – ?) – teacher, doctor.

In 1919, Lazar Kopelovich graduated from the State Secondary School in Ventspils, and from 1919 to 1926, he studied at the Faculty of Medicine of the University of Latvia, receiving a degree in medicine. From autumn 1927, he worked as a substitute teacher of natural sciences and history at the gymnasium of the Ventspils Jewish community. In 1932–33, he was the director of this school, later working there as a teacher. He perished during the Holocaust.