The Zusha River (Russian: Зуша) is a river in Oryol Oblast in Russia, a right tributary of the Oka River. The length of the river is 234 km. The area of its basin is 6,950 km². The Zusha freezes up in early December and stays icebound until late March. The Neruch River is its biggest tributary. The Zusha is navigable from Mtsensk.