Jakob Segal (Jokūbas Segalis) (1919–?) was born in Vilnius. In 1937, he graduated from the private Jewish Gymnasium of Epstein and Speiser in Vilnius. In 1940, he was admitted to the English Language group at the Philology Department of the Faculty of Humanities of Vilnius University. On 19 September 1941, Segalis was expelled from the university by the Order of 17 September 1941 of the Department of Higher Education under the Board of Education, which was subordinate to the National Socialists. No further information on his fate is known.