York is a town in western Livingston County, New York, United States. The population was 3,219 at the 2000 census.
The Abbey of the Genesee in the town's hamlet of Piffard is locally famous due to the production of Monk's Bread.
In 1722, the Tuscarora moved north to join other Iroquoian natives, the League of the Iroquois, and settled near modern Piffard. The town was first settled by Europeans around 1800.