Mill Creek (also known as Little Mill Creek) is a tributary of the Lackawanna River in Luzerne County and Lackawanna County, in Pennsylvania, in the United States. It is approximately 5.5 miles (8.9 km) long and flows through Pittston Township, Dupont, Avoca, and Duryea in Luzerne County and Moosic in Lackawanna County. The watershed of the creek has an area of 10.6 square miles (27 km²). It is designated as a Coldwater Fishery and a Migratory Fishery. The creek has two named tributaries: Collins Creek and Lidy Creek.