Suenga (Russian: Суенга) is a river in Maslyaninsky District of Novosibirsk Oblast.

Its length is 71 km (44 mi), with drainage basin 821 square kilometres.

The river rises on the western slopes of the Salair Ridge.

In 1781, a gold deposit was discovered near the river by the exiled D. M. Popov.

[1] From the 1950s to the 1970s, a hydroelectric power plant operated on the river.