Sennett is a town in Cayuga County, New York, United States.

[3] The town is named after a public official and early settler, Daniel Sennett.

Prominent resident Daniel Sennett, a circuit judge, settled in the area in 1795 .

[4] Sennett was formed from the towns of Brutus and Aurelius on March 19, 1827.

The Sennett Federated Church and Parsonage, built in 1848, is listed on the National Register of Historic Places.

16.8% of all households were made up of individuals, and 10% had someone living alone who was 65 years of age or older.