The Gdovka (Russian: Гдовка) is a river in Gdovsky District of Pskov Oblast, Russia. The source of the river is the Pyosy Mokh swamp. The Gdovka is a tributary of Lake Peipus. It is 23 kilometres (14 mi) long and has a drainage basin of the area of 150 square kilometres (58 mi2). The town of Gdov and the village of Ustye are located on the banks of the Gdovka.