The Sippican River ("long river") is a short river in Massachusetts, United States.
The Sippican River is long,[1] arising from east and west branches in the towns of Mattapoisett, Marion (once known as Sippican), and Rochester, Massachusetts. Each branch flows through a complex system of cranberry bogs and reservoirs, and empties a short distance away through Wareham into Buzzards Bay near the Weweantic River mouth.
As of 2006, efforts are underway to restore the native alewife population to the river.