Kazanka (Russian: Каза́нка; Tatar: Казансу) is a river in the Russian Federation, a left tributary of the Volga. The Kazanka begins near the village of Bimeri in Arsk District and flows into the Samara Reservoir in Kazan, near the Kazan Kremlin. Other towns on the Kazanka are Arsk and historical Iske Kazan.