Gardner Creek (also known as Gardiners Creek or Gardners Creek) is a tributary of the Susquehanna River in Lackawanna County, Pennsylvania, in the United States. It is approximately 9.1 miles (14.6 km) long and flows through Newton Township and Ransom Township. The watershed of the creek has an area of 18.1 square miles (47 km2). The creek is not designated as an impaired waterbody. The surficial geology in its vicinity mainly consists of alluvial terrace, alluvium, Wisconsinan Till, and bedrock. However, Wisconsinan Ice-Contact Stratified Drift, fill, alluvial fan, peat, and wetlands also occur. The creek is the main source of flooding in Ransom Township.