Kysorville is a hamlet and census-designated place (CDP) in the town of West Sparta, Livingston County, New York, United States.

[3] Kysorville is in south-central Livingston County, along the northern edge of the town of West Sparta.

New York State Route 36 passes through the community, and Interstate 390 forms the western edge.

According to the U.S. Census Bureau, the Kysorville CDP has an area of 0.82 square miles (2.12 km2), all land.

[4] The community sits on the western side of the valley of Canaseraga Creek, a tributary of the Genesee River.