Fenner is a town in Madison County, New York, United States.

[2] The town is in the north-central part of the county, east of Cazenovia Lake.

[3] The Fenner Baptist Church was listed on the National Register of Historic Places in 2002.

As of the census[6] of 2000, there were 1,680 people, 607 households, and 455 families residing in the town.

18.0% of all households were made up of individuals, and 4.9% had someone living alone who was 65 years of age or older.