Genesee is a town in Allegany County, New York, United States.

[2] Genesee is in the southwestern corner of the county, southeast of Olean.

Much of the early economy was based on harvesting the forests, but oil production began in approximately 1890.

New York State Route 417 is an important east-west highway through the town.

19.7% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.