Hayyim Mordecai Margolioth

Hayyim Mordecai Margolioth (mid-18th century - 1818) (Hebrew: חיים מרדכי מרגליות‎‎‎) was a Polish rabbi, brother of Ephraim Solomon Margolioth.

Ḥayyim Mordecai was at first rabbi at Brestitzki, and later became rabbi in Great Dubno, where he established a printing-office. He was among those who elected the three deputies sent to St. Petersburg to confer with the government upon Jewish affairs, and was the author of Sha'are Teshubah, (Gates of Repentance) a commentary to Shulḥan 'Aruk; it contains extracts from other works and appears in most editions of the Shulḥan 'Aruk. He died at Dunajowce in 1818.