Roaring Brook (also known as Roaring Brook Creek) is a tributary of Hunlock Creek in Luzerne County, Pennsylvania, in the United States. It is approximately 5.0 miles (8.0 km) long and flows through Ross Township and Hunlock Township. The watershed of the stream has an area of 6.17 square miles (16.0 km2). It has one named tributary, which is known as Lewis Run. Additionally, a dammed pond known as Harris Pond is located at the stream's headwaters. The Roaring Brook Swamp, which is listed as a Locally Significant Area on the Luzerne County Natural Areas Inventory, is also located in the watershed.