Download coordinates as: Killbuck Creek is a 28-mile-long (45 km)[1] tributary of the Kishwaukee River in northern Illinois, United States.

The Killbuck passes through Pine Rock Township, where a stone quarry was once located.

[4] The mouth of Killbuck Creek is located about 1 mile (1.6 km) north of Kilbuck Bluffs Forest Preserve, a Winnebago County park.

[5] In terms of square miles drained, Killbuck Creek is the third largest tributary of the Kishwaukee River behind the South Branch Kishwaukee River and Coon Creek.

This article related to a river in Illinois is a stub.