river in Siberia, Russia
The Olyokma (Russian: Олёкма, Olyokma, IPA: [ɐˈlʲɵkmə]; Yakut: Өлүөхүмэ, Ölüöxüme) is a tributary of the Lena in eastern Siberia. The river gives its name to the Olyokma-Chara Plateau, located to the west of its western bank.