Mark Lidzbarski (born Abraham Mordechai Lidzbarski, Płock, Russian Empire, 7 January 1868 – Göttingen, 13 November 1928) was a Polish philologist, Semiticist and translator of Mandaean texts.
Lidzbarski was born in Russian Poland to a Hasidic Eastern Jewish family, and from 1889 to 1892 studied Semitic philology in Berlin.
There he converted to evangelical Christianity and changed his first name to "Mark".
In February 1896, he received his doctorate in Middle Eastern Studies at the University of Kiel.
The Lidzbarski Gold Medal for Semitic Philology is awarded annually by the German Oriental Society for work in Semitic studies and named after Mark Lidzbarski.