Carlton is a town in Orleans County, New York, United States. The population was 2,994 at the 2010 census. The name is derived from Carleton, a shipbuilding district near Ottawa, Ontario, Canada.

New York State Route 98 (NY 98) is a state highway in the western part of New York in the United States. The southern terminus of the route is at an intersection with U.S. Route 219 (US 219) in the town of Great Valley in Cattaraugus County. The northern end is at an interchange with the Lake Ontario State Parkway in the town of Carlton in Orleans County, near the southern shore of Lake Ontario. In between, NY 98 serves the city of Batavia, connects to the New York State Thruway, and passes by the Attica Correctional Facility. Most of the route passes through rural, undeveloped areas; however, in southern Genesee County, it traverses more urbanized areas that lie in and around Batavia.