Yulia Sister (Hebrew: ????? ??????, Russian: ???? ????????? ??????; born September 12, 1936 in Chisinau, Bessarabia, Romania) is a Soviet Moldavian and Israeli chemist-analyst engaged in chemical research with the use of polarography and chromatography, a science historian, and a researcher of Russian Jewry in Israel, France and other countries.
She holds the position of Director General of the Research Centre for Russian Jews abroad and in Israel.