Greizhdorf Hirsh (Girsh, Hirsch) (4 January 1905, Dvinsk, Vitebsk Governorate – date of death unknown) — educator.

Hirsh Greyzhdorf completed his education at the Daugavpils City Male Real Gymnasium before attending the State Jewish TwoYear Pedagogical Course in 1932. In spring 1934, he graduated from the Faculty of Mechanical Engineering at the University of Latvia, earning a diploma as an engineer-technologist. In the 1934–35 academic year, he taught Hebrew, mathematics and physics in Liepāja at the Jewish Vocational School, the Jewish City Basic School, and the State Jewish Gymnasium. From 1935, he taught at the Daugavpils City Jewish Gymnasium. In 1937, he received certification as a fully qualified teacher. In autumn 1940, he was granted permission to teach at the 2nd Daugavpils State Russian Secondary School. In 1941, he was evacuated to Tashkent.