Kokshaysk (; , Kakšanla) is a village (selo) in the Mari El Republic, Russia, administratively subordinated to the city of Yoshkar-Ola, as the river port of Yoshkar-Ola is located there. Kokshaysk is situated near the Mari village of Kokshamary, on the left bank of the Bolshaya Kokshaga River, where it flows into the Volga. A road connects the village with Yoshkar-Ola (56 km) and Novocheboksarsk (34 km). In 2003, the population of Kokshaysk was 1,340, mostly ethnic Russians, Mari, Chuvash, Tatars.