Ashmun al-Rumman (Arabic: اشمون الرمان Ashmūn ar-Rummān, Coptic: ϣⲙⲟⲩⲛ ⲉⲣⲙⲁⲛ Shmoun Erman) is a village in the markaz of Dekernes in Dakahlia Governorate, Egypt. Known in classical antiquity as Zmoumis (Ancient Greek: Ζμουμις) and in the Islamic Middle Ages as Ushmum-Tannah, Ashmun al-Rumman was formerly a major city, serving as a provincial capital.