The al-Muallak Mosque (Arabic: المسجد المعلق‎ Masjid Al-Muallaq, Hebrew: מסגד אל-מועלק‎ Misgad Al-Muallak) also known as the Mosque of Zahir al-Umar (Arabic: مسجد ظاهر العمر‎‎‎‎‎) is a mosque in Acre, Israel.