St. Jones River
 The St. Jones River is a river flowing to Delaware Bay in central Delaware in the United States. It is 12.8 miles (20.6 km) long and drains an area of 36 square miles (93 km2) on the Atlantic Coastal Plain. The river is believed to have been named either for Robert Jones an early European property owner in the region or for St. Jone the Welsh spelling of St. John.The St. Jones River flows for its entire length in east-central Kent County.