Mark ad-Darir ibn Mauhub, or Mark Ibn Kunbar (Arabic: مرقس بن قنبر المنشق‎, romanized: Marqus ibn Qunbar al-Munšiq), died 1208, also known as Mark the Blind, was a 12th-century Coptic priest and preacher. He came into conflict with both Pope John V and Pope Mark III of Alexandria for preaching against the practice of private confession of sins, and was excommunicated.