Little Shamokin Creek is a 15.0-mile-long (24.1 km) tributary of Shamokin Creek and a sub-tributary of the Susquehanna River in Northumberland County, Pennsylvania, in the United States. The watershed of the creek has an area of 37 square miles, spread out over Upper Augusta Township, Lower Augusta Township, Rockefeller Township, and Shamokin Township. The creek's watershed contains four rock formations. These are the Hamilton Group, the Spechty Kopf formation, the Irish Valley formation, and the Buddy Run formation. The watershed also contains three main soil types. They are the Berks-Weikert-Bedington series, the Leck Kill-Meckesville-Calvin series and the Hazelton-Dekalb-Buchanan series.