Willet is a town in Cortland County, New York, United States.

New York State Route 221 intersects the conjoined NY-26 and NY-41 west of the village.

There were 525 housing units at an average density of 20.3 per square mile (7.8/km2).

The racial makeup of the town was 98.42% White, 0.20% Native American, 0.10% Asian, and 1.29% from two or more races.

18.2% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older.