The Algerian National Navy () is the naval branch of the Military of Algeria. The navy operates from multiple bases along the country's nearly coastline, fulfilling its primary role of monitoring and defending Algeria's territorial waters against all foreign military or economic intrusion. Additional missions include coast guard and maritime safety missions as well a projection of marine forces (fusillers marins). Algerian forces are an important player in the Western Mediterranean and are the largest African naval force in that sea zone.