Lorraine is a hamlet and census-designated place (CDP) in the town of Lorraine in Jefferson County, New York, United States.

The population was 174 at the 2010 census,[2] out of 1,037 in the entire town of Lorraine.

The community sits in the valley of Big Brook on the northwestern edge of the Tug Hill Plateau.

According to the United States Census Bureau, the CDP has a total area of 0.48 square miles (1.25 km2), all land.

It is 5 miles (8 km) southeast of Adams via County Route 189.