The Kukusunda (Russian: Кукусунда; Yakut: Кукуһунда, Kukuhunda) is a river in Yakutia (Sakha Republic) and Krasnoyarsk Krai, Russia.

A small stretch of its source area falls within the Evenkiysky District of Krasnoyarsk Krai.

The nearest settlement is Olenyok village, located about 200 km (120 mi) to the east of its mouth.

[1] The river and its tributaries flow across an area covered by typical Siberian taiga, composed mainly of larch and pine.

The main fish species in the Kukusunda are lenok, muksun, nelma, omul, least cisco, whitefish, taimen, grayling and pike.