Norfolk is a town in St. Lawrence County in the U.S. state of New York. The town is in the northern part of the county and is north of Potsdam. The population was 4,668 at the 2010 census. The town's name is pronounced as "Nor-fork".
The town was first settled around 1869.
A small part of Norfolk was lost when the community of "Raquetteville" incorporated as the Village of Potsdam Junction in 1869. In 1869, it became Norwood.