Dansville is a village in the town of North Dansville, with a small northern part in the town of Sparta in Livingston County, in western New York, United States. As of the 2020 census, the village population was 4,433. The village is named after Daniel Faulkner, an early European-American settler. Interstate 390 passes the west side of the village.

Livingston County is a county in the U.S. state of New York. As of the 2020 census, the population was 61,834. Its county seat is Geneseo. The county is named after Robert R. Livingston, who helped draft the Declaration of Independence and negotiated the Louisiana Purchase. The county is part of the Finger Lakes region of the state.