Mordecai Aaron Günzburg (Hebrew: מֹרְדְּכַי אַהֲרֹן גִינְצְבּוּרְג, romanized: Mordekhai Aharon Gintsburg; 3 December 1795 – 5 November 1846), also known by the acronym Remag (רמא״ג) and the pen name Yonah ben Amitai (יוֹנָה בֶּן־אֲמִתַּי), was a Lithuanian Jewish writer, translator, and educator. He was a leading member of the Haskalah in Vilna, and is regarded as the "Father of Hebrew Prose."