The Ulakhan-Kyuegyulyur (Russian: Улахан-Кюэгюлюр; Yakut: Улахан Күөгүлүүр, Ulaxan Küögülüür) is a river in Sakha Republic (Yakutia), Russia.

[1] The river flows north of the Arctic Circle, across desolate tundra territories of the East Siberian Lowland.

The river flows roughly in a NNE direction flanking the feet of the range.

The river flows roughly parallel to the Omoloy further west, meandering in the floodplain.

There are more than 780 small lakes in its basin with a total area of 22 square kilometres (8.5 sq mi).