Sidi Ghanim Mosque, formerly the Abu al-Muhajir Dinar Mosque, is a historic mosque located in Mila, Algeria. The mosque was built by the Muslim leader and conqueror Abu Al-Muhajir Dinar in 678 AD, during the era of the Umayyad Caliphate. Thus, it is the oldest mosque built in Algeria. The mosque was later named after Sidi Ghanem, one of the imams and scholars.