Porzhenka (Russian: Порженка) is a river, 8 kilometres (5 mi) long, within the Dvina–Pechora Watershed District in Russia. The river originates in the Bolshoye Porzhenskoye Lake and flows into Lake Kenozero, which is drained by the Kena towards the Onega. The Porzhensky Pogost is nearby.
- "Поиск по данным государственного водного реестра" (in Russian). Textual.ru. Retrieved 28 August 2012. CS1 maint: discouraged parameter (link)