The Bocq (French pronunciation: [bɔk]) is a river in Belgium, a right-bank tributary of the Meuse.

On its way it passes through the villages of Mohiville, Achet, Hamois, Emptinne, Sovet, Braibant and Spontin.

After 45 kilometres (28 mi), the Bocq empties into the right bank of the Meuse in Yvoir, at an altitude of 90 meters (300 ft).

Its average slope is 0.48% and the surface area of its basin is 230 square kilometres (89 sq mi).

The discharge of the river measured at Yvoir (230 square kilometres (89 sq mi) basin) between 1980 and 2003 was 2.21 cubic metres (78 cu ft) per second.