Moses Einhorn (in Yiddish spelling: איינהאָרן; English: Moses Einhorn; February 17, 1896, Vawkavysk, Grodno Province, Russia – February 9, 1966, New York) was an American-Jewish gastroenterologist and the founder and editor of the journal Harofe Haivri ("The Hebrew Physician"). He invented several gastroenterological devices, but his most notable contribution was the promotion of Hebrew terminology in medicine.