Hartwig Hirschfeld MRAS (Hebrew: נַפְתָּלִי הַארְטְוִויג בֵּן אַהֲרֹן הִירְשְׁפֵלְד; 18 December 1854 – 10 January 1934) was a Prussian-born British Orientalist, bibliographer, and educator. His particular scholarly interest lay in Arabic Jewish literature and in the relationship between Jewish and Arab cultures. He is best known for his editions of Judah Halevi's Kuzari—which he published in its original Judeo-Arabic and in Hebrew, German and English translations—and his studies on the Cairo Geniza.