穆斯塔加奈姆（阿拉伯语：مستغانم‎）位于阿尔及利亚西北部地中海沿岸，是穆斯塔加奈姆省的首府，人口约150,000（2005年）。

Mostaganem (Arabic:مستغانم‎) is a port city in and capital of Mostaganem province, in the northwest of Algeria. The city, founded in the 11th century lies on the Gulf of Arzew, Mediterranean Sea and is 72 km ENE of Oran. It has 245,330 inhabitants as of the 2014 census.