Olyokma Nature Reserve () (also Olekminsky) is a Russian 'zapovednik' (strict nature reserve) located south of the middle reaches of the Lena River on the right bank of its second largest tributary - the Olyokma River at the junction of the Aldan Highlands and Prilensky Plateau in Olyokminsky District of the Sakha Republic (Yakutia). The area is remote and relatively undisturbed, being 80 km from a town.