Perth (/pɜːrθ/) is a town in Fulton County, New York, United States.

The city of Amsterdam is 5 miles (8 km) south of the center of Perth.

New York State Route 30 is a north-south highway which passes through Perth.

As of the census[5] of 2000, there were 3,638 people, 1,318 households, and 951 families residing in the town.

23.4% of all households were made up of individuals, and 9.0% had someone living alone who was 65 years of age or older.