The Ninth Fort is a stronghold in the northern part of Šilainiai elderate, Kaunas, Lithuania. It is a part of the Kaunas Fortress, built in the late 19th century. During the Soviet occupation, the fort was used as a prison and way-station for prisoners being transported to labour camps. After the occupation of Lithuania by Nazi Germany, the fort was used as a place of execution for Jews, captured Soviets, and others.