Knyazhaya () is a rural locality (a village) in Pyatovskoye Rural Settlement, Totemsky District, Vologda Oblast, Russia. The population was only 9 residents as of 2002.
Knyazhaya is located 6 km east of Totma (the district's administrative centre) by road. Posyolok Myasokombinata is the nearest rural locality.